The key rules are divided into five categories according to their purpose:
Category |
XML element |
Description |
Process key |
processkeyrule |
Merge associated fragments in a process instance |
Hierarchy |
hierarchykeyrule |
Creation of process hierarchies |
Shared fragment key rules |
sharedfragmentkeyrule |
Copying shared fragments in process instances |
Merge key |
mergekeyrule |
Combine merge events within a process instance |
Object key |
internalobjectkeyrule |
Identification of identical objects |
Warning
Do not use leading or trailing whitespace characters (such as a blank space or a tab) in keys created by key rules, in attributes that contribute to key rules, or in attributes that refer to any of the keys (for example, AT_INTERNAL_HIER_REF).