- Data tied to a specific activation of an ability.
-Tell us whether we are the authority, if we are predicting, confirmed, etc. -Holds current and previous PredictionKey -Generally not meant to be subclassed in projects. -Passed around by value since the struct is small.
Editor Properties: (see get_editor_property/set_editor_property)
activation_mode(GameplayAbilityActivationMode): [Read-Write] Activation status of this ability