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{
"name": "Dynamic credentials using expressions",
"nodes": [
{
"parameters": {
"path": "da4071f2-7550-4dae-aa48-8bced4291643",
"formTitle": "Test dynamic credentials",
"formDescription": "This form is for testing an n8n workflow that demonstrates setting credentials with expressions.",
"formFields": {
"values": [
{
"fieldLabel": "Enter your NASA API key",
"requiredField": true
}
]
},
"responseMode": "responseNode"
},
"id": "cc6f2b1e-0ed0-4d22-8a44-d7223ba283b4",
"name": "n8n Form Trigger",
"type": "n8n-nodes-base.formTrigger",
"typeVersion": 2,
"position": [
560,
520
],
"webhookId": "da4071f2-7550-4dae-aa48-8bced4291643"
},
{
"parameters": {
"additionalFields": {}
},
"id": "ef336bae-3d4f-419c-ab5c-b9f0de89f170",
"name": "NASA",
"type": "n8n-nodes-base.nasa",
"typeVersion": 1,
"position": [
900,
520
],
"credentials": {
"nasaApi": {
"id": "QDDBOZOD6k3ijL5t",
"name": "NASA account"
}
}
},
{
"parameters": {
"respondWith": "redirect",
"redirectURL": "={{ $json.url }}",
"options": {}
},
"id": "143bcdb6-aca0-4dd8-9204-9777271cd230",
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1,
"position": [
1220,
520
]
},
{
"parameters": {
"content": "This workflow shows how to set credentials dynamically using expressions.\n\n\nFirst, set up your NASA credential: \n\n1. Create a new NASA credential.\n1. Hover over **API Key**.\n1. Toggle **Expression** on.\n1. In the **API Key** field, enter `{{ $json[\"Enter your NASA API key\"] }}`.\n\n\nThen, test the workflow:\n\n1. Get an [API key from NASA](https://api.nasa.gov/)\n2. Select **Execute workflow**\n3. Enter your key using the form.\n4. The workflow runs and sends you to the NASA picture of the day.\n\n\nFor more information on expressions, refer to [n8n documentation | Expressions](https://docs.n8n.io/code/expressions/).",
"height": 564,
"width": 322,
"color": 4
},
"id": "0a0dee23-fa16-4f09-b5e0-856f47fb53d0",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
120,
140
]
},
{
"parameters": {
"content": "User submits an API key using the form",
"height": 319
},
"id": "dd766e32-334d-4e46-9daa-7800b134a3a5",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
500,
380
]
},
{
"parameters": {
"content": "The workflow passes the key to the NASA node. You can reference the value using the expression `$json[\"Enter your NASA API key\"]`. This is also available to the node credential. ",
"height": 319,
"color": 5
},
"id": "3d8f02e6-e029-41dc-89ad-0f5cffe09348",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
820,
380
]
},
{
"parameters": {
"content": "The Respond to Webhook node controls the form response (in this example, redirecting the user to an image)",
"height": 319
},
"id": "096eb6ab-c276-4687-9dc0-50e16a8f709a",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
1140,
380
]
}
],
"pinData": {},
"connections": {
"n8n Form Trigger": {
"main": [
[
{
"node": "NASA",
"type": "main",
"index": 0
}
]
]
},
"NASA": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
}
}
}
|