The workflow JSON
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{
"name": "sub workflow",
"nodes": [
{
"parameters": {
"workflowInputs": {
"values": [
{
"name": "operator"
},
{
"name": "a",
"type": "number"
},
{
"name": "b",
"type": "number"
}
]
}
},
"type": "n8n-nodes-base.executeWorkflowTrigger",
"typeVersion": 1.1,
"position": [
0,
0
],
"id": "fe6227ad-62c8-46a0-b6b9-11a3b7dd1b95",
"name": "When Executed by Another Workflow"
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"leftValue": "={{ $json.operator }}",
"rightValue": "addition",
"operator": {
"type": "string",
"operation": "equals"
},
"id": "1ca2a55e-382d-4d8a-9ce9-34fe5cfcd5f4"
}
],
"combinator": "and"
}
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "1386e6a3-8e85-401f-967f-9120e35d7dfa",
"leftValue": "={{ $json.operator }}",
"rightValue": "subtraction",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
}
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "08945df2-2fc8-4dc9-83c2-43f4e5649c32",
"leftValue": "={{ $json.operator }}",
"rightValue": "multiplication",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
}
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "2b2780f7-9c25-4a43-bc8d-0d14a38461ab",
"leftValue": "={{ $json.operator }}",
"rightValue": "division",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
}
}
]
},
"options": {
"fallbackOutput": "extra"
}
},
"type": "n8n-nodes-base.switch",
"typeVersion": 3.2,
"position": [
208,
-48
],
"id": "3df55a23-fcf6-4bb1-9172-adb6ede0a73f",
"name": "Switch",
"executeOnce": false
},
{
"parameters": {
"errorMessage": "Operator does not support"
},
"type": "n8n-nodes-base.stopAndError",
"typeVersion": 1,
"position": [
416,
288
],
"id": "145d5ad7-17d8-44e7-99cb-01e51ddb01b4",
"name": "Stop and Error"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "0a95efa4-4cb7-40a1-9197-61c5c37e85db",
"name": "result",
"value": "={{ $json.a + $json.b }}",
"type": "number"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
416,
-288
],
"id": "9209725e-8dcc-4e74-a92a-b088e8a06d4c",
"name": "Edit Fields"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "d94b4103-baff-45d2-821e-a095414c677a",
"name": "result",
"value": "={{ $json.a - $json.b }}",
"type": "number"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
416,
-144
],
"id": "d80cf688-9d35-4ff3-87c0-8d0132b518af",
"name": "Edit Fields1"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "4a1c055e-d10a-4999-8eb4-2522eba9b631",
"name": "result",
"value": "={{ $json.a * json.b }}",
"type": "number"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
416,
0
],
"id": "59469c9b-cd1b-44f5-ad3e-233e4b955724",
"name": "Edit Fields2"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "160a020b-dad2-4cdc-a36a-3ba4e3795614",
"name": "result",
"value": "={{ $json.a / $json.b }}",
"type": "number"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
416,
144
],
"id": "c8eb9ddf-3643-48d0-bd9f-659cb3defd6d",
"name": "Edit Fields3"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
-720,
0
],
"id": "a593792c-96db-4fed-832e-8bfeb92865ad",
"name": "When clicking \u2018Execute workflow\u2019"
},
{
"parameters": {
"jsCode": "function getRandomInt(min, max) {\n return Math.floor(Math.random() * (max - min + 1)) + min;\n}\n\nreturn {\n operator: ['addition', 'subtraction', 'multiplication', 'division'][getRandomInt(0, 3)],\n a: getRandomInt(0, 99),\n b: getRandomInt(0, 99),\n}"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-512,
0
],
"id": "50c167ac-ba04-41eb-9578-714786e381d5",
"name": "Code"
},
{
"parameters": {
"workflowId": {
"__rl": true,
"value": "52KfqxMZ77A9nLwj",
"mode": "list",
"cachedResultName": "sub workflow"
},
"workflowInputs": {
"mappingMode": "defineBelow",
"value": {
"operator": "={{ $json.operator }}",
"a": "={{ $json.a }}",
"b": "={{ $json.b }}"
},
"matchingColumns": [],
"schema": [
{
"id": "operator",
"displayName": "operator",
"required": false,
"defaultMatch": false,
"display": true,
"canBeUsedToMatch": true,
"type": "string"
},
{
"id": "a",
"displayName": "a",
"required": false,
"defaultMatch": false,
"display": true,
"canBeUsedToMatch": true,
"type": "number"
},
{
"id": "b",
"displayName": "b",
"required": false,
"defaultMatch": false,
"display": true,
"canBeUsedToMatch": true,
"type": "number"
}
],
"attemptToConvertTypes": false,
"convertFieldsToString": true
},
"options": {}
},
"type": "n8n-nodes-base.executeWorkflow",
"typeVersion": 1.2,
"position": [
-304,
0
],
"id": "bcaa55dd-f2b7-4b2a-a382-50efbd9401e3",
"name": "Execute Workflow"
}
],
"connections": {
"When Executed by Another Workflow": {
"main": [
[
{
"node": "Switch",
"type": "main",
"index": 0
}
]
]
},
"Switch": {
"main": [
[
{
"node": "Edit Fields",
"type": "main",
"index": 0
}
],
[
{
"node": "Edit Fields1",
"type": "main",
"index": 0
}
],
[
{
"node": "Edit Fields2",
"type": "main",
"index": 0
}
],
[
{
"node": "Edit Fields3",
"type": "main",
"index": 0
}
],
[
{
"node": "Stop and Error",
"type": "main",
"index": 0
}
]
]
},
"When clicking \u2018Execute workflow\u2019": {
"main": [
[
{
"node": "Code",
"type": "main",
"index": 0
}
]
]
},
"Code": {
"main": [
[
{
"node": "Execute Workflow",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "c30cacf7-fc0a-4629-9ad8-195c7cd9fbdc",
"id": "52KfqxMZ77A9nLwj",
"tags": []
}
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About this workflow
sub workflow. Uses executeWorkflowTrigger, stopAndError. Event-driven trigger; 10 nodes.
Source: https://github.com/datawhalechina/handy-n8n/blob/d0d1f6dbb65815de8b1433dd671482f25e76122b/workflows/c04/n8n_sub_workflow.json — original creator credit. Request a take-down →
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