Enum SendMessageOptions Path C++ Link UnityEngine.SendMessageOptions, UnityEngine.CoreModule underlying int32 UnityEngine.CoreModule.dll Values 2 NameValueHex RequireReceiver00x00DontRequireReceiver10x01 Used by 2types with a member, parameter or interface of this type ComponentGameObject // UnityEngine.SendMessageOptions, UnityEngine.CoreModule enum class SendMessageOptions : int32 { RequireReceiver = 0, DontRequireReceiver = 1, };