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Case ID format

Updated on March 29, 2022

Your application generates a unique ID for each case to help case workers distinguish between instances of different case types.


Your application generates case IDs in the prefix-integer-suffix format.

The prefix is a single character that your application derives from the name of the case type that you provide when you create or import a case type. Prefixes are required, but they do not need to be unique.
More than one case type can share a prefix.
The integer increases by one each time that you create a case. You cannot count the number of cases in your application based on the integer of a case ID because the system reserves case IDs before successfully creating a case.
The suffix is blank by default because it is optional.

The following examples of case IDs illustrate the different formats that you can use:

  • C-100
  • JobApp-420
  • MORT-763-K4

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