[amp_mcq option1=”reconnect” option2=”error” option3=”connect” option4=”callback” correct=”option4″]
The correct answer is: D. callback
A callback is a function that is called when a certain event occurs. In the context of a channel, a callback is a function that is called when a new message is received from the channel.
The other options are incorrect because:
- Reconnect is a function that is called when a channel is reconnected after being disconnected.
- Error is a function that is called when an error occurs while communicating with a channel.
- Connect is a function that is called when a channel is connected.
I hope this helps!