# event
### push_event(event) function
Push a custom user event into SDL's queue, passing a callback function.
**event**: A function to call when this event is consumed.
**Returns**: None
### engine_input(callback) function
Poll all system events (keyboard, mouse, etc.) and call the given function with each event object.
**callback**: A function that executes on each event consumed from the poll.
**Returns**: None