# Blackboard Keys on C++

**URL:** <https://forums.unrealengine.com/t/blackboard-keys-on-c/438262>\
**Category:** AI\
**Tags:** Behavior-Tree, blackboard, unreal-engine, CPP, question\
**Created:** [November 25, 2018, 5:57am UTC](https://forums.unrealengine.com/t/blackboard-keys-on-c/438262 "2018-11-25T05:57:04Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![RainbowCookie32](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@RainbowCookie32](https://forums.unrealengine.com/u/RainbowCookie32)\
**Post date:** [November 25, 2018, 5:57am UTC](https://forums.unrealengine.com/t/blackboard-keys-on-c/438262/1 "2018-11-25T05:57:04Z")

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Hi! I’m transitioning from Blueprints to C++ and I’m trying to use blackboard keys on my service but I’m not sure how to do it and I can’t find proper documentation for it. What would be the equivalent of a Blackboard key selector on C++ and get/set blackboard value as x? Thanks in advance

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**Author:** ![Ivan3z](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Ivan3z](https://forums.unrealengine.com/u/Ivan3z)\
**Post date:** [September 25, 2023, 3:38am UTC](https://forums.unrealengine.com/t/blackboard-keys-on-c/438262/2 "2023-09-25T03:38:07Z")

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FBlackboardKeySelector X;