%sev

Returns the sub-event number (in decimal format) of the event being processed.

If the sub-type of en event is defined as 255, the main event will be triggered independent on the reported sub-type.

Some EventHandler reports uses sub event in addition to the main event type:

When used with feature 105, 'Event trigger on dialling digits', %SEV will return the dialled digit (Main event is Event Trigger with parameter (Event Type)).
When used with External_Data_Input, %SEV is the EDIO port 1 - 4 the EDI text arrived on.
When used with event 29 - AlphaNet Link, %SEV is the remote node number
When used with event 33 - Private Ringing Outgoing, %SEV returns a number indicating the reason why ringing ended
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