ITrigger Priority Property Quartz.NET API Documentation
The priority of a ITrigger acts as a tie breaker such that if two ITriggers have the same scheduled fire time, then Quartz will do its best to give the one with the higher priority first access to a worker thread.

Namespace: Quartz
Assembly: Quartz (in Quartz.dll) Version: 2.2.1.400
Syntax

int Priority { get; set; }

Return Value

Type: Int32
Remarks

If not explicitly set, the default value is 5.
See Also