The SQL Server Agent alert occurrence count represents the number of times the alert has fired after a specific date and time.
object.OccurrenceCount [= value]
object
Expression that evaluates to an object in the Applies To list
value
Long integer that specifies the number of times a SQL Server Agent alert has been raised after the reset date for the alert
Long
Read-only
HRESULT GetOccurrenceCount(LPLONG pRetVal);
The CountResetDate property marks date and time for the beginning of counting for a SQL Server Agent alert occurrence count. Use the ResetOccurrenceCount method to set the alert occurrence count to zero.