Use when defining, querying or replicating Gameplay Tags, or wiring decoupled event messaging between gameplay systems in C++. Also use when the user mentions 'FGameplayTag', 'FGameplayTagContainer', 'FGameplayTagQuery', 'UE_DEFINE_GAMEPLAY_TAG', 'native gameplay tag', 'DefaultGameplayTags.ini', 'GameplayTagList', 'tag redirect', 'MatchesTag', 'HasTagExact', 'RequestGameplayTag', 'UGameplayTagsManager', 'Categories meta', 'tag picker', 'gameplay message', 'message bus', 'event bus' or 'AsyncMessageSystem'. For abilities, effects and cues that consume tags, see ue-gameplay-abilities; for wire cost and RPCs, see ue-networking-replication.
