The region's length in seconds
The region's name
The user-assigned region number (as shown in Reaper's UI). Empty string if no region has been entered yet.
The region's start time in seconds
An event that can be subscribed to for property change notifications
The name of the property to subscribe to
A callback to be called when the state of the specified property changes
A function that unsubscribes the event handler
The most recently entered region during playback