Types Reference

This reference documents the structured types used in workflow definitions and node outputs.

Config Types

These types are used to configure node behavior in workflow definitions.

InjectConfig

Message injection into a thread

Field	Type	Required	Description
`role`	string	No	Message role for injected message
`content`	string	No	Message content to inject
`display_style`	string	No	UI display style for injected message; defaults to hidden
`attachments`	message	No	Attachments to include

ProjectConfig

Project path override for sub-workflows

Field	Type	Required	Description
`path`	string	No	Project directory path for sub-workflow execution

ResponseTool

Custom tool for structured LLM output

Field	Type	Required	Description
`name`	string	No	-
`description`	string	No	-
`schema`	message	No	-

SaveMessageConfig

Automatic message saving after node completion

Field	Type	Required	Description
`condition`	string	No	-
`role`	string	No	-
`content`	string	No	-
`tool_calls`	string	No	-
`tool_results`	string	No	-
`attachments`	string	No	Attachment IDs to attach to the saved message. CEL expression must return []string.

SubWorkflow

Sub-workflow invocation configuration

Field	Type	Required	Description
`ref`	string	No	Workflow reference (builtin://name or project://name)
`inline`	message	No	-
`args`	map	No	Input values for the sub-workflow
`presets`	map	No	Preset configurations for sub-workflow inputs
`project`	message	No	Working directory override for sub-workflow
`thread`	message	No	Thread mode: inherit (default), new, or fork
`passthrough`	string	No	Input names to forward from parent to child workflow

ThreadConfig

Thread configuration for node execution

Field	Type	Required	Description
`mode`	string	No	Thread mode: inherit (default), new, or fork
`memo`	bool	No	Whether to memoize thread across loop iterations
`inject`	message	No	Message injection into the thread

Output Types

These types represent structured data in node outputs, accessible via CEL expressions like nodes.<id>.<field>.*.

MessageOutput

Standardized output for activities that produce messages

Field	Type	Required	Description
`id`	string	No	-
`role`	string	No	-
`text`	string	No	-

ThinkingOutput

Extended thinking content from LLM

Field	Type	Required	Description
`content`	string	No	-
`signature`	string	No	-

ToolCall

Tool invocation request from the LLM Access path: nodes.<id>.tool_calls[*].*

Field	Type	Description
`id`	string	-
`input`	string	-
`name`	string	-

ToolResult

Result from executing a tool call Access path: nodes.<id>.tool_results[*].*

Field	Type	Description
`content`	string	-
`is_error`	bool	-
`name`	string	-
`tool_call_id`	string	-

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Types Reference

Config Types

InjectConfig

ProjectConfig

ResponseTool

SaveMessageConfig

SubWorkflow

ThreadConfig

Output Types

MessageOutput

ThinkingOutput

ToolCall

ToolResult

​Config Types

​InjectConfig

​ProjectConfig

​ResponseTool

​SaveMessageConfig

​SubWorkflow

​ThreadConfig

​Output Types

​MessageOutput

​ThinkingOutput

​ToolCall

​ToolResult

Config Types

InjectConfig

ProjectConfig

ResponseTool

SaveMessageConfig

SubWorkflow

ThreadConfig

Output Types

MessageOutput

ThinkingOutput

ToolCall

ToolResult