function modelMessageToUIMessage(modelMessage, id?): UIMessage;

function modelMessageToUIMessage(modelMessage, id?): UIMessage;

Defined in: activities/chat/messages.ts:155

Convert a ModelMessage to UIMessage

This conversion creates a parts-based structure:

• content field → TextPart
• toolCalls array → ToolCallPart[]
• role="tool" messages should be converted separately and merged

ModelMessage

The ModelMessage to convert

string

Optional ID for the UIMessage (generated if not provided)

UIMessage

A UIMessage with parts