conversationHistoryTwilioPhoneCallModelDirectionNullableToJson function

String? conversationHistoryTwilioPhoneCallModelDirectionNullableToJson(
  1. ConversationHistoryTwilioPhoneCallModelDirection? conversationHistoryTwilioPhoneCallModelDirection
)

Implementation

String? conversationHistoryTwilioPhoneCallModelDirectionNullableToJson(
    enums.ConversationHistoryTwilioPhoneCallModelDirection?
        conversationHistoryTwilioPhoneCallModelDirection) {
  return conversationHistoryTwilioPhoneCallModelDirection?.value;
}