from meibelai import Meibelai
import os


with Meibelai(
    api_key_header=os.getenv("MEIBELAI_API_KEY_HEADER", ""),
) as m_client:

    res = m_client.blueprints.executions.send_chat_message_stream(blueprint_instance_id="<id>", user_message="<value>", timeout_seconds=None, include_thinking=False, include_tool_activity=True)

    with res as event_stream:
        for event in event_stream:
            # handle event
            print(event, flush=True)

{
  "event": "<string>",
  "data": {
    "signal_id": "<string>"
  }
}