CreateWebhookSubscriptionRequest constructor
      const
      CreateWebhookSubscriptionRequest({ 
    
    
- required String callbackUrl,
- required String verificationToken,
- required WebhookOperation eventType,
- required ExtApiV2DataType dataType,
Implementation
const CreateWebhookSubscriptionRequest({
  required this.callbackUrl,
  required this.verificationToken,
  required this.eventType,
  required this.dataType,
});