The auto-incrementing sequence number which is part of every work package key is dependent on the project and type. For every project and type combination it starts with 1.

* Projects have a short name, e.g. `oD` for openDesk.

* Types have a short name, e.g. `CR` for Change Request


Begin of the insertion**Implementation steps**End of the insertion Begin of the deletion **Acceptance criteria**End of the deletion

1. Step 1: Begin of the insertion{projectkey}\_{sequence} (Jira case)End of the insertion Begin of the deletion only project key with sequence (Jira)End of the deletion

1. Begin of the insertion`oD-2212`

2. End of the insertion Begin of the deletion {projectkey}\_{sequence} exampleEnd of the deletion `HR-123`

2. Step 2: custom pattern

1. `oD_CR-1`

2. `oD_D-4` Begin of the deletion is the fourth decision.End of the deletion

3. `oD_EPIC-35`

4. `oD_BUG-223`


Begin of the insertion**More requirements:**End of the insertion Begin of the deletion More requirements:End of the deletion

* Changing type Begin of the insertionor the project updatesEnd of the insertion Begin of the deletion changesEnd of the deletion the key.

* A key can not be used twice. It is blocked also after deleting the work package, moving project or changing type.