asTextMessageOrNull
Casts this RcsContent as a TextMessage and retrieves its aws.sdk.kotlin.services.pinpointsmsvoicev2.model.RcsTextMessage value. Returns null if the RcsContent is not a TextMessage.
Casts this RcsContent as a TextMessage and retrieves its aws.sdk.kotlin.services.pinpointsmsvoicev2.model.RcsTextMessage value. Returns null if the RcsContent is not a TextMessage.