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API > API/Runtime > API/Runtime/MassEntity > API/Runtime/MassEntity/FMassRelationRoleInstanceHandle
Description
We're unable to tell if a given relation instance handle is valid just by looking at a handle. Only the RelationManager can answer this question. Use IsSet as first filter
| Name | IsValid |
| Type | function |
| Header File | /Engine/Source/Runtime/MassEntity/Public/MassEntityRelations.h |
| Include Path | #include "MassEntityRelations.h" |
bool IsValid() const