How do I emit to specific socket in Python flask socketio?

Question

Is it possible to emit to a specitic client by socketId. It can either be from the backend(python) or frontend(js/jquery)? This is what I want to do:

emit('my event', TO SPECIFIC SOCKET-ID)

or

socket.emit('my event', TO SPECIFIC SOCKET-ID);

question from:https://stackoverflow.com/questions/66052399/how-do-i-emit-to-specific-socket-in-python-flask-socketio

Answer 1

The front end can only emit to the server. The back end can emit to all clients, a subset of clients (using rooms) or to a single client.

To emit to one client from the server using Python:

emit('my event', to=sid)

Where sid is the identifier for the client you want to target. If instead you prefer to emit an event to a group of clients that were put in a room, you can do it with:

emit('my event', to=room)

Where room is the name of the room in question.