Workflow: Form Stickynote Automation

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