The event ID for the receiver.
- macOS 10.0+
The event ID (a four-character code) for the receiver, or 0 if an error occurs.
The receiver must be an Apple event. An Apple event is identified by its event class and event ID, a pair of four-character codes stored as 32-bit integers. For example, the
open Apple event from the Standard suite has the four-character code
'odoc' (defined as the constant
AE, a subframework of