AiSendCustomRequest

Name	Type	Description	Notes
isStream	Boolean	Stream the reply (ndjson) when true, else return a single message.	[required]
systemPrompt	String	Caller-supplied system prompt for this one-turn call.	[required]
userMessage	AiThreadMessageLike		[required]
actionArgs	AiActionArgs	Per-request engine options: extra tools, reasoning, prompt override.	[optional]