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API > API/Runtime > API/Runtime/AIModule > API/Runtime/AIModule/BehaviorTree > API/Runtime/AIModule/BehaviorTree/UBlackboardData
References
| Module | AIModule |
| Header | /Engine/Source/Runtime/AIModule/Classes/BehaviorTree/BlackboardData.h |
| Include | #include "BehaviorTree/BlackboardData.h" |
| Source | /Engine/Source/Runtime/AIModule/Private/BehaviorTree/BlackboardData.cpp |
int32 GetNumKeys() const
number of defined keys, including parent chain