ToolCallWorkflowNode

Workflow tool invocation node.

idId (string)required

Unique node ID

typeType (string)required

Node type

Constant value: tool_call

config objectrequired

Type-specific node configuration

tool objectrequired

Tool configuration for an agent node.

nameName (string)required

descriptionDescription (string)

Default value:

typeType (string)

Possible values: [python, agent, workflow, mcp]

Default value: python

function object

anyOf

• PythonFunctionSchema
• null

sourceSource (string)required

inputs object

property name*any

Default value: {}

outputs object

property name*any

Default value: {}

dependenciesstring[]

Default value: []

decorators object[]

Decorator bindings declared in configuration. Configured bindings take precedence over source bindings with the same kind and name; an empty list uses source bindings only.

Array [

decoratorDecorator (string)required

Decorator name, such as use_connector or use_llm. The name must identify a supported decorator.

nameName (string)required

Binding variable name injected into the namespace

arguments object

Decorator arguments, e.g. {'ref':...} or {'model':...}

property name*any

Decorator arguments, e.g. {'ref':...} or {'model':...}

]

require_browserRequire Browser (boolean)

Default value: false

options object

anyOf

• object
• null

object

input_mappings object

property name*string

outputs object

property name*any

Default value: {}

timeoutTimeout (integer)

Default value: 30

metadata object

property name*any

Default value: {}

ToolCallWorkflowNode

{
  "id": "string",
  "type": "tool_call",
  "config": {
    "tool": {
      "name": "string",
      "description": "",
      "type": "python",
      "function": {
        "source": "string",
        "inputs": {},
        "outputs": {},
        "dependencies": [
          "string"
        ],
        "decorators": [
          {
            "decorator": "string",
            "name": "string",
            "arguments": {}
          }
        ]
      },
      "require_browser": false,
      "options": {}
    },
    "input_mappings": {},
    "outputs": {},
    "timeout": 30
  },
  "metadata": {}
}