Related terms
A prefix for a work item ID is the initial character or text that appears before a dash character. This usually corresponds to the standard property Work-.pyWorkIDPrefix, and ordinarily is between one and five characters long.
For example, the prefix of work item Q-1432 is Q. The prefix of the work item MORT-763-K4 is MORT.
You can specify a prefix value on the Details tab of an application rule, or through a data transform.