🧑🎓 Maîtrise des techniques d'accès aux données par des défis d'expressions progressives
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Ceci est unEngineeringworkflow d'automatisation du domainecontenant 62 nœuds.Utilise principalement des nœuds comme If, Set, Html, StopAndError, ManualTrigger. 🧑🎓 Maîtriser les technologies d'accès aux données par des défis d'expressions progressives
Prérequis
- •Aucun prérequis spécial, prêt à l'emploi après importation
Nœuds utilisés (62)
Catégorie
Aperçu du workflow
Visualisation des connexions entre les nœuds, avec support du zoom et du déplacement
Exporter le workflow
Copiez la configuration JSON suivante dans n8n pour importer et utiliser ce workflow
{
"meta": {
"creator": "Lucas Peyrin",
"instanceId": "e409ea34548a2afe2dffba31130cd1cf2e98ebe2afaeed2a63caf2a0582d1da0",
"fingerprint": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJjcmVhdG9yIjoiIiwiaXNzIjoibjhuIiwiaWF0IjoxNzUzMTEwMjM2fQ.t3z4zUz-Pb_rTMjOtIYZmw6lxa8lkLZQXrrdDdkADNo"
},
"nodes": [
{
"id": "c769722e-d2f2-42cf-9bc2-b13018b93b8a",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Note adhésive13",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
-400,
-112
],
"parameters": {
"width": 460,
"height": 552,
"content": "## Expressions Knowledge Test\n\nWelcome to the practical test for n8n Expressions! The goal is to use expressions to pull specific data from the **\"Source Data\"** node.\n\n**How to use this test:**\n1. For each step, read the instructions on the purple sticky note.\n2. Modify the corresponding **\"Test - ...\"** node by writing the correct expression in the value field.\n3. Click **\"Execute Workflow\"** to check your answers.\n4. A green path means a correct answer, a red path means it's incorrect. Keep trying until the path turns green!\n\n\nGood luck!"
},
"typeVersion": 1
},
{
"id": "1881550a-caa1-4e9d-9399-153356d89eb0",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Démarrer le test !",
"type": "n8n-nodes-base.manualTrigger",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
-144,
240
],
"parameters": {},
"typeVersion": 1
},
{
"id": "7af9ab86-755f-4ed5-89f3-2f945f19d5f3",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Données source",
"type": "n8n-nodes-base.set",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
176,
240
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "12345",
"name": "name",
"type": "string",
"value": "Clark Kent"
},
{
"id": "67890",
"name": "city",
"type": "string",
"value": "Metropolis"
},
{
"id": "abcde",
"name": "level",
"type": "number",
"value": 99
},
{
"id": "fghij",
"name": "tools",
"type": "array",
"value": "[\"Typewriter\",\"Glasses\",\"n8n\"]"
},
{
"id": "klmno",
"name": "address",
"type": "object",
"value": "{\"street\":\"123 Main St\",\"zip\":\"10001\"}"
},
{
"id": "pqrst",
"name": "tasks",
"type": "array",
"value": "[{\"name\":\"Write Article\",\"status\":\"Done\"},{\"name\":\"Review PR\",\"status\":\"Pending\"},{\"name\":\"Save the World\",\"status\":\"Pending\"}]"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "04defff0-a2b6-4a05-8de4-160fc2857545",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Instruction - Accès de base",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
400,
16
],
"parameters": {
"color": 6,
"width": 300,
"height": 428,
"content": "### Step 1: Basic Access\n\nModify the **\"Test - Basic Access\"** node.\n\n**Task:** Create a new field named `user_city`. Its value should be an expression that gets the `city` from the **\"Source Data\"** node."
},
"typeVersion": 1
},
{
"id": "53f27214-cdef-45be-ad71-c60f96c0f7f0",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Test - Accès de base",
"type": "n8n-nodes-base.set",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
496,
240
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e87952cb-878e-4feb-8261-342eaf887838",
"name": "user_city",
"type": "string",
"value": "="
}
]
}
},
"typeVersion": 3.4
},
{
"id": "fd464cfd-3ff0-4f64-90bb-dd086a2e7b2c",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Vérification - Accès de base",
"type": "n8n-nodes-base.if",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
752,
240
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "5ac1af5c-2769-42f8-9df7-ec092d2fec05",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.user_city }}",
"rightValue": "={{ $('Source Data').last().json.city }}"
},
{
"id": "d4f115a2-6713-4beb-8b4e-4371686ca6ea",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ !$('Test - Basic Access').isExecuted || $('Test - Basic Access').params.assignments.assignments[0].value.includes('.city') }}",
"rightValue": "{{ $json.city }}"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "7df3c072-a908-498e-9034-13a7e03a4703",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Succès - Accès de base",
"type": "n8n-nodes-base.noOp",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
992,
128
],
"parameters": {},
"typeVersion": 1
},
{
"id": "6e087d88-3c5d-454e-81ac-5aec12514edb",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Erreur - Accès de base",
"type": "n8n-nodes-base.stopAndError",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
992,
448
],
"parameters": {
"errorMessage": "Incorrect. Hint: Use the format `{{ $('Source Data').item.json.city }}` to get the city value."
},
"typeVersion": 1
},
{
"id": "fa74e360-5b85-4fe0-9c65-547a5d788642",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Instruction - Accès au tableau",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
1216,
16
],
"parameters": {
"color": 6,
"width": 300,
"height": 428,
"content": "### Step 2: Array Access\n\nModify the **\"Test - Array Access\"** node.\n\n**Task:** Create a field `third_tool`. Its value should be an expression that gets the *third* item from the `tools` array."
},
"typeVersion": 1
},
{
"id": "33fc1900-e793-4c4f-8d66-849be1ebee89",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Test - Accès au tableau",
"type": "n8n-nodes-base.set",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
1312,
240
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e87952cb-878e-4feb-8261-342eaf887838",
"name": "third_tool",
"type": "string",
"value": "="
}
]
}
},
"typeVersion": 3.4
},
{
"id": "59622f54-9685-4115-bad0-3dcde79b0e76",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Vérification - Accès au tableau",
"type": "n8n-nodes-base.if",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
1568,
240
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "5ac1af5c-2769-42f8-9df7-ec092d2fec05",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.third_tool }}",
"rightValue": "={{ $('Source Data').item.json.tools[2] }}"
},
{
"id": "193a01cb-64c3-456a-bee4-4febaae63e66",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ !$('Test - Array Access').isExecuted || $('Test - Array Access').params.assignments.assignments[0].value.includes('.tools') }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "516d40d3-3ec9-42ff-993e-0965695d1c63",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Succès - Accès au tableau",
"type": "n8n-nodes-base.noOp",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
1808,
128
],
"parameters": {},
"typeVersion": 1
},
{
"id": "823aa93b-3e0c-4bb4-a3fd-5d960c14d8b4",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Erreur - Accès au tableau",
"type": "n8n-nodes-base.stopAndError",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
1808,
448
],
"parameters": {
"errorMessage": "Incorrect. Hint: Remember that arrays are zero-indexed. The third item is at index `[2]`."
},
"typeVersion": 1
},
{
"id": "5c7f181c-3ebd-41e7-8012-bf26a7e724b6",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Instruction - Objet imbriqué",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
2032,
16
],
"parameters": {
"color": 6,
"width": 300,
"height": 428,
"content": "### Step 3: Nested Object\n\nModify the **\"Test - Nested Object\"** node.\n\n**Task:** Create a field `street_address`. Its value should be an expression that gets the `street` from inside the `address` object."
},
"typeVersion": 1
},
{
"id": "6c8d3b1d-4e67-4bf7-9d52-7c37c2a52ec3",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Test - Objet imbriqué",
"type": "n8n-nodes-base.set",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
2128,
240
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e87952cb-878e-4feb-8261-342eaf887838",
"name": "street_address",
"type": "string",
"value": "="
}
]
}
},
"typeVersion": 3.4
},
{
"id": "188028b2-01df-46ed-9977-ef9dcb6cb9ae",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Vérification - Objet imbriqué",
"type": "n8n-nodes-base.if",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
2384,
240
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "d4e5f6a7-8901-2345-6789-0abcdef12345",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.street_address }}",
"rightValue": "={{ $('Source Data').item.json.address.street }}"
},
{
"id": "b84f01c8-0b9f-4dd5-a983-e7455fafe1ce",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ !$('Test - Nested Object').isExecuted || $('Test - Nested Object').params.assignments.assignments[0].value.includes('.address.street') }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "ebe135cb-b246-4868-ad97-6bf20c43f3e0",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Succès - Objet imbriqué",
"type": "n8n-nodes-base.noOp",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
2624,
128
],
"parameters": {},
"typeVersion": 1
},
{
"id": "d1312875-9ecc-48db-81aa-14b189e4bd9c",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Erreur - Objet imbriqué",
"type": "n8n-nodes-base.stopAndError",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
2624,
448
],
"parameters": {
"errorMessage": "Incorrect. Hint: Chain the keys using dots, like `...json.address.street`."
},
"typeVersion": 1
},
{
"id": "946cf25f-706d-4d05-aeaa-028e3a229856",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Instruction - Tableau d'objets",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
2848,
16
],
"parameters": {
"color": 6,
"width": 300,
"height": 428,
"content": "### Step 4: Array of Objects\n\nModify the **\"Test - Array of Objects\"** node.\n\n**Task:** Create a field `second_task_name`. Its value should be an expression that gets the `name` of the *second* object in the `tasks` array."
},
"typeVersion": 1
},
{
"id": "de975fc2-c145-4d5c-8426-03e5ce702846",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Test - Tableau d'objets",
"type": "n8n-nodes-base.set",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
2944,
240
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e87952cb-878e-4feb-8261-342eaf887838",
"name": "second_task_name",
"type": "string",
"value": "="
}
]
}
},
"typeVersion": 3.4
},
{
"id": "0ab0b02e-60a3-4d7f-83d0-6516b479e08d",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Vérification - Tableau d'objets",
"type": "n8n-nodes-base.if",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
3200,
240
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "e1234567-890a-bcde-f123-456789012345",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.second_task_name }}",
"rightValue": "={{ $('Source Data').item.json.tasks[1].name }}"
},
{
"id": "8ea84d9f-102e-44aa-b87d-96fc413af915",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ !$('Test - Array of Objects').isExecuted || $('Test - Array of Objects').params.assignments.assignments[0].value.includes('.tasks') }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "5db2abba-a971-4920-af0c-db95b4d8a1e2",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Succès - Tableau d'objets",
"type": "n8n-nodes-base.noOp",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
3440,
128
],
"parameters": {},
"typeVersion": 1
},
{
"id": "5aab74e4-7bb8-4678-b6d3-1e00a7a22342",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Erreur - Tableau d'objets",
"type": "n8n-nodes-base.stopAndError",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
3440,
448
],
"parameters": {
"errorMessage": "Incorrect. Hint: Combine array access `[1]` with object access `.name`."
},
"typeVersion": 1
},
{
"id": "e98182bb-d555-48e0-9126-ca0590e2c424",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Instruction - Fonction JS",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
3664,
16
],
"parameters": {
"color": 6,
"width": 300,
"height": 412,
"content": "### Step 5: JS Function\n\nModify the **\"Test - JS Function\"** node.\n\n**Task:** Create a field `uppercase_name`. Its value should be an expression that gets the `name` and converts it to `UPPERCASE`."
},
"typeVersion": 1
},
{
"id": "06f1e85c-f4e5-4e49-b678-22bb189421c0",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Test - Fonction JS",
"type": "n8n-nodes-base.set",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
3760,
240
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e87952cb-878e-4feb-8261-342eaf887838",
"name": "uppercase_name",
"type": "string",
"value": "="
}
]
}
},
"typeVersion": 3.4
},
{
"id": "c485b7a3-5b91-4935-b9b6-3440c8e8a241",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Vérification - Fonction JS",
"type": "n8n-nodes-base.if",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
4016,
240
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "b0123456-7890-abcd-ef12-345678901234",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.uppercase_name }}",
"rightValue": "={{ $('Source Data').item.json.name.toUpperCase() }}"
},
{
"id": "7c1238db-4849-4525-b293-4f453b70fa21",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ !$('Test - JS Function').isExecuted || $('Test - JS Function').params.assignments.assignments[0].value.includes('.toUpperCase()') }}",
"rightValue": "={{ !$('Test - Array of Objects').isExecuted || $('Test - Array of Objects').params.assignments.assignments[0].value.includes('.tasks') }}"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "be45ea18-23db-407e-a886-a7aeef79c5ee",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Succès - Fonction JS",
"type": "n8n-nodes-base.noOp",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
4256,
128
],
"parameters": {},
"typeVersion": 1
},
{
"id": "b56c667a-5818-49de-b042-0d2655f7bea2",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Erreur - Fonction JS",
"type": "n8n-nodes-base.stopAndError",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
4256,
448
],
"parameters": {
"errorMessage": "Incorrect. Hint: Add `.toUpperCase()` to the end of your expression, inside the `{{ }}`."
},
"typeVersion": 1
},
{
"id": "4151ae3d-4b4c-4d4a-b5b7-b5de5288fd9a",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Instruction - Final",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
4480,
-48
],
"parameters": {
"color": 6,
"width": 300,
"height": 476,
"content": "### Final Challenge!\n\nModify the **\"Test - Final\"** node.\n\n**Task:** Create a field `summary`. Its value should be a single string that reads:\n`The status of task 'Review PR' is Pending.`\n\nYou'll need to combine static text with expressions."
},
"typeVersion": 1
},
{
"id": "3d990a6c-c598-4847-b89a-8eb158db4d21",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Test - Final",
"type": "n8n-nodes-base.set",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
4576,
240
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e87952cb-878e-4feb-8261-342eaf887838",
"name": "summary",
"type": "string",
"value": "="
}
]
}
},
"typeVersion": 3.4
},
{
"id": "d81171ab-97ac-4b14-bdae-1a7479ae2e31",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Vérification - Final",
"type": "n8n-nodes-base.if",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
4832,
240
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "a1234567-890a-bcde-f123-456789012345",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.summary }}",
"rightValue": "=The status of task '{{ $('Source Data').item.json.tasks[1].name }}' is {{ $('Source Data').item.json.tasks[1].status }}."
},
{
"id": "18e1e8e4-0539-4c4f-85fe-1fa8759717ad",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ !$('Test - Final').isExecuted || ($('Test - Final').params.assignments.assignments[0].value.includes('.name') && $('Test - Final').params.assignments.assignments[0].value.includes('.status')) }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "e8e56a4a-0c20-42ce-91bc-120be38067ba",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Succès - Final",
"type": "n8n-nodes-base.noOp",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
5072,
112
],
"parameters": {},
"typeVersion": 1
},
{
"id": "b1ea5a88-8acc-4e46-8998-162c2e01e995",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Erreur - Final",
"type": "n8n-nodes-base.stopAndError",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
5072,
448
],
"parameters": {
"errorMessage": "Incorrect. Hint: Combine static text and expressions like this: `Some text '{{ expression1 }}' and '{{ expression2 }}`."
},
"typeVersion": 1
},
{
"id": "4e2a56ad-59fd-40af-82cc-ce2e64478a69",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "🎉 SUCCÈS 🎉",
"type": "n8n-nodes-base.html",
"notes": "Well done! You're awesome\n\n© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
5424,
224
],
"parameters": {
"html": "<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n <meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n <title>Success</title>\n</head>\n<body style=\"margin: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background-color: #f0f2f5; display: flex; align-items: center; justify-content: center; height: 100vh;\">\n\n <!-- The main success card -->\n <div style=\"background-color: #ffffff; padding: 40px 50px; border-radius: 12px; box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1); text-align: center; max-width: 400px; margin: 20px;\">\n\n <!-- Circular Green Checkmark -->\n <div style=\"width: 100px; height: 100px; background-color: #28a745; border-radius: 50%; margin: 0 auto 25px auto; display: flex; align-items: center; justify-content: center;\">\n <span style=\"color: white; font-size: 60px; line-height: 1;\">✔</span>\n </div>\n\n <!-- Main Text -->\n <h1 style=\"font-size: 36px; font-weight: 600; color: #333; margin: 0 0 10px 0;\">\n Success!\n </h1>\n\n <!-- Call to Action Text & Link -->\n <p style=\"font-size: 16px; color: #555; line-height: 1.5; margin: 0;\">\n You've mastered n8n expressions!\n </p>\n <p style=\"font-size: 16px; color: #555; line-height: 1.5; margin: 0;\">\n <a href=\"https://n8n.io/creators/lucaspeyrin\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #007bff; text-decoration: none; font-weight: 500;\">Check out more templates</a>.\n </p>\n\n </div>\n\n</body>\n</html>"
},
"notesInFlow": true,
"typeVersion": 1.2
},
{
"id": "d9efe1c3-e838-46f9-91bf-074ea6dde9ff",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Instruction - Accès de base1",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
80,
128
],
"parameters": {
"color": 6,
"width": 300,
"height": 316,
"content": ""
},
"typeVersion": 1
},
{
"id": "a5a89905-5c09-454e-9244-cec5233f6483",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Réponse - Accès de base",
"type": "n8n-nodes-base.set",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
496,
608
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e87952cb-878e-4feb-8261-342eaf887838",
"name": "user_city",
"type": "string",
"value": "={{ $('Source Data').item.json.city }}"
},
{
"id": "28ef996b-d7e7-4d29-b4b5-f245de00d2c0",
"name": "other_solution",
"type": "string",
"value": "={{ $json.city }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "41d01828-1e14-4b3d-9f11-09493d6cb486",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Note de réponse - Accès de base",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
400,
464
],
"parameters": {
"color": 7,
"width": 304,
"height": 320,
"content": "💡 **Answer Key**\n\nThis node contains the correct expression for the **Basic Access** step. You can use it as a reference if you get stuck."
},
"typeVersion": 1
},
{
"id": "923f04a6-4593-48df-981e-58ab0a8d9779",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Feedback Correct1",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
928,
0
],
"parameters": {
"color": 7,
"height": 272,
"content": "✅ **Correct!**\n\nGreat start. Let's access an array next."
},
"typeVersion": 1
},
{
"id": "4afc256b-88b6-47b2-b105-2b419f18b3f0",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Feedback Incorrect1",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
928,
288
],
"parameters": {
"color": 7,
"height": 320,
"content": "❌ **Incorrect.**\n\n**Hint:** Use the format\n`{{ $('Source Data').item.json.city }}`\nto get the city value."
},
"typeVersion": 1
},
{
"id": "37b4dc1e-2588-4243-b0d6-70e5956575f7",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Réponse - Accès au tableau",
"type": "n8n-nodes-base.set",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
1312,
608
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e87952cb-878e-4feb-8261-342eaf887838",
"name": "third_tool",
"type": "string",
"value": "={{ $('Source Data').item.json.tools[2] }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "2bbd9ac7-4acc-41b0-9511-0929e961b56a",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Note de réponse - Accès au tableau",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
1216,
464
],
"parameters": {
"color": 7,
"width": 304,
"height": 320,
"content": "💡 **Answer Key**\n\nThis node contains the correct expression for the **Array Access** step. You can use it as a reference if you get stuck."
},
"typeVersion": 1
},
{
"id": "399cccd8-ff46-49ca-8294-5a9f7484aa47",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Feedback Correct2",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
1728,
0
],
"parameters": {
"color": 7,
"width": 256,
"height": 272,
"content": "✅ **Correct!**\n\nPerfect. Now for nested data."
},
"typeVersion": 1
},
{
"id": "ff5db2b3-6f5d-42d8-afc1-f79dcd551ce3",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Feedback Incorrect2",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
1728,
288
],
"parameters": {
"color": 7,
"width": 256,
"height": 320,
"content": "❌ **Incorrect.**\n\n**Hint:** Remember that arrays are zero-indexed. The third item is at index `[2]`."
},
"typeVersion": 1
},
{
"id": "0cf6b471-7c91-4576-9a04-31bd99553aed",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Réponse - Objet imbriqué",
"type": "n8n-nodes-base.set",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
2128,
608
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e87952cb-878e-4feb-8261-342eaf887838",
"name": "street_address",
"type": "string",
"value": "={{ $('Source Data').item.json.address.street }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "75b741f5-8eab-400c-8a8a-b35ed5f1e930",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Note de réponse - Objet imbriqué",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
2032,
464
],
"parameters": {
"color": 7,
"width": 304,
"height": 320,
"content": "💡 **Answer Key**\n\nThis node contains the correct expression for the **Nested Object** step. You can use it as a reference if you get stuck."
},
"typeVersion": 1
},
{
"id": "6b39c109-465c-474e-afe7-bfc00181e5a3",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Feedback Correct3",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
2544,
0
],
"parameters": {
"color": 7,
"width": 256,
"height": 272,
"content": "✅ **Correct!**\n\nExcellent. Let's combine arrays and objects."
},
"typeVersion": 1
},
{
"id": "8836d90a-8aef-4c18-8fc3-156a7342689b",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Feedback Incorrect3",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
2544,
288
],
"parameters": {
"color": 7,
"width": 256,
"height": 320,
"content": "❌ **Incorrect.**\n\n**Hint:** Chain the keys using dots, like `...json.address.street`."
},
"typeVersion": 1
},
{
"id": "13c9a37f-9cc1-4ec3-b04f-1c8ccb4ed400",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Réponse - Tableau d'objets",
"type": "n8n-nodes-base.set",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
2944,
608
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e87952cb-878e-4feb-8261-342eaf887838",
"name": "second_task_name",
"type": "string",
"value": "={{ $('Source Data').item.json.tasks[1].name }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "4021f70b-f8fc-4856-a8a9-32886a39075b",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Note de réponse - Tableau d'objets",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
2848,
464
],
"parameters": {
"color": 7,
"width": 304,
"height": 320,
"content": "💡 **Answer Key**\n\nThis node contains the correct expression for the **Array of Objects** step. You can use it as a reference if you get stuck."
},
"typeVersion": 1
},
{
"id": "f1db5c03-4676-4f7f-b6d3-84e9d09ef886",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Feedback Correct4",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
3360,
0
],
"parameters": {
"color": 7,
"width": 256,
"height": 272,
"content": "✅ **Correct!**\n\nYou're getting the hang of this. Time for some JavaScript magic."
},
"typeVersion": 1
},
{
"id": "76578357-6c68-4144-a8a4-4d64f121aa01",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Feedback Incorrect4",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
3360,
288
],
"parameters": {
"color": 7,
"width": 256,
"height": 320,
"content": "❌ **Incorrect.**\n\n**Hint:** Combine array access `[1]` with object access `.name`."
},
"typeVersion": 1
},
{
"id": "794be646-6a3e-4b8d-a941-90d621dca210",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Réponse - Fonction JS",
"type": "n8n-nodes-base.set",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
3760,
592
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e87952cb-878e-4feb-8261-342eaf887838",
"name": "uppercase_name",
"type": "string",
"value": "={{ $('Source Data').item.json.name.toUpperCase() }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "5beb208e-4c0c-4d73-8ace-daacbf00a245",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Note de réponse - Fonction JS",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
3664,
448
],
"parameters": {
"color": 7,
"width": 304,
"height": 336,
"content": "💡 **Answer Key**\n\nThis node contains the correct expression for the **JS Function** step. You can use it as a reference if you get stuck."
},
"typeVersion": 1
},
{
"id": "3492291f-d171-418f-9dd5-40fbd766acbd",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Feedback Correct5",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
4176,
0
],
"parameters": {
"color": 7,
"width": 256,
"height": 272,
"content": "✅ **Correct!**\n\nAwesome! One final challenge to bring it all together."
},
"typeVersion": 1
},
{
"id": "d54f48f8-7924-4444-b840-6a3a2ea5f5c9",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Feedback Incorrect5",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
4176,
288
],
"parameters": {
"color": 7,
"width": 256,
"height": 320,
"content": "❌ **Incorrect.**\n\n**Hint:** Add `.toUpperCase()` to the end of your expression, inside the `{{ }}`."
},
"typeVersion": 1
},
{
"id": "550c88b1-4e26-4fb5-a0b3-cfcf649b595e",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Réponse - Final",
"type": "n8n-nodes-base.set",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
4576,
592
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e87952cb-878e-4feb-8261-342eaf887838",
"name": "summary",
"type": "string",
"value": "=The status of task '{{ $('Source Data').item.json.tasks[1].name }}' is {{ $('Source Data').item.json.tasks[1].status }}."
}
]
}
},
"typeVersion": 3.4
},
{
"id": "edb83bc9-25ed-488d-ab71-dd77103d874b",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Note de réponse - Final",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
4480,
448
],
"parameters": {
"color": 7,
"width": 304,
"height": 336,
"content": "💡 **Answer Key**\n\nThis node contains the correct expression for the **Final** step. You can use it as a reference if you get stuck."
},
"typeVersion": 1
},
{
"id": "7a36c242-d76e-4675-8411-a24506e090c8",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Feedback Correct6",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
4992,
32
],
"parameters": {
"color": 7,
"width": 256,
"height": 240,
"content": "✅ **YOU DID IT!**"
},
"typeVersion": 1
},
{
"id": "d5a3c589-35f8-49be-a27b-6a82198438bc",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Feedback Incorrect6",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
4992,
288
],
"parameters": {
"color": 7,
"width": 256,
"height": 320,
"content": "❌ **Incorrect.**\n\n**Hint:** Combine static text and expressions like this:\n`Some text '{{ expression1 }}' and {{ expression2 }}`."
},
"typeVersion": 1
},
{
"id": "30003316-86b3-434e-844c-f67b0722f2e0",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Félicitations !",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
5264,
32
],
"parameters": {
"color": 4,
"width": 416,
"height": 576,
"content": "🎉 **Congratulations! You've passed the test!**\n\nYou have successfully demonstrated your understanding of all the basic JSON data types.\n\nYou are now ready to work with data in n8n.\n\n-- Well done! --"
},
"typeVersion": 1
},
{
"id": "960695a0-b8db-4346-8566-7e5d4feb6571",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Note adhésive10",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
5712,
-384
],
"parameters": {
"color": 3,
"width": 540,
"height": 1280,
"content": "## Was this helpful? Let me know!\n[](https://n8n.ac)\n\nI really hope this test helped you check your Expressions understanding fully. Your feedback is incredibly valuable and helps me create better resources for the n8n community.\n\n### **Share Your Thoughts & Ideas**\n\nWhether you have a suggestion, found a typo, or just want to say thanks, I'd love to hear from you!\nHere's a simple n8n form built for this purpose:\n\n#### ➡️ **[Click here to give feedback](https://api.ia2s.app/form/templates/feedback?template=Expressions%20Test)**\n\n### **Ready to Build Something Great?**\n\nIf you're looking to take your n8n skills or business automation to the next level, I can help.\n\n**🎓 n8n Coaching:** Want to become an n8n pro? I offer one-on-one coaching sessions to help you master workflows, tackle specific problems, and build with confidence.\n#### ➡️ **[Book a Coaching Session](https://api.ia2s.app/form/templates/coaching?template=Expressions%20Test)**\n\n**💼 n8n Consulting:** Have a complex project, an integration challenge, or need a custom workflow built for your business? Let's work together to create a powerful automation solution.\n#### ➡️ **[Inquire About Consulting Services](https://api.ia2s.app/form/templates/consulting?template=Expressions%20Test)**\n\n---\n\nHappy Automating!\nLucas Peyrin | [n8n Academy](https://n8n.ac)"
},
"typeVersion": 1
},
{
"id": "d3a6fe0a-3670-40c2-bcb8-4a75e5721abe",
"cid": "Ikx1Y2FzIFBleXJpbiI",
"name": "Note adhésive16",
"type": "n8n-nodes-base.stickyNote",
"notes": "© 2025 Lucas Peyrin",
"creator": "Lucas Peyrin",
"position": [
5344,
384
],
"parameters": {
"color": 4,
"width": 272,
"height": 184,
"content": "[](https://n8n.io/creators/lucaspeyrin)"
},
"typeVersion": 1
}
],
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}Foire aux questions
Comment utiliser ce workflow ?
Copiez le code de configuration JSON ci-dessus, créez un nouveau workflow dans votre instance n8n et sélectionnez "Importer depuis le JSON", collez la configuration et modifiez les paramètres d'authentification selon vos besoins.
Dans quelles scénarios ce workflow est-il adapté ?
Avancé - Ingénierie
Est-ce payant ?
Ce workflow est entièrement gratuit et peut être utilisé directement. Veuillez noter que les services tiers utilisés dans le workflow (comme l'API OpenAI) peuvent nécessiter un paiement de votre part.
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Niveau de difficulté
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Nombre de nœuds62
Catégorie1
Types de nœuds7
Description de la difficulté
Auteur
Lucas Peyrin
@lucaspeyrinInnovative builder with a passion for crafting automation solutions that solve real-world challenges. From streamlining workflows to driving efficiency, my work empowers teams and individuals to achieve more with less effort. Experienced in developing scalable tools and strategies that deliver results with n8n, supabase and cline.
Liens externes
Voir sur n8n.io →
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