This is called after an entity is rendered.
This field defines whether the event is cancelled or not. Any mod can cancel and un-cancel an event. What an event does when cancelled is event-specific, and noted in that event's documentation.
The entity being rendered.
The x coordinate where the entity is being rendered this frame.
x
The y coordinate where the entity is being rendered this frame.
y
The z coordinate where the entity is being rendered this frame.
z