RCSMessage.CustomReaction A structure that represents a custom reaction to an RCS message. Declarationstruct CustomReaction TopicsInitializersinit(targetMessageID:operation:)init(targetMessageID:operation:isEndToEndEncrypted:)Instance PropertiesisEndToEndEncryptedoperationtargetMessageIDEnumerationsRCSMessage.CustomReaction.Operation RelationshipsConforms ToDecodableEncodableEquatableSendableSendableMetatype