/// <summary>
        /// Add new dynamic promotion object to marketing system 
        /// </summary>
        /// <param name="promotion">dynamic promotion object that needs to be added to the marketing system</param>
        /// <returns>VirtoCommerceMarketingModuleWebModelPromotion</returns>
        public async System.Threading.Tasks.Task<VirtoCommerceMarketingModuleWebModelPromotion> MarketingModulePromotionCreatePromotionAsync (VirtoCommerceMarketingModuleWebModelPromotion promotion)
        {
            // verify the required parameter 'promotion' is set
            if (promotion == null) throw new ApiException(400, "Missing required parameter 'promotion' when calling MarketingModulePromotionCreatePromotion");
            
    
            var path = "/api/marketing/promotions";
    
            var pathParams = new Dictionary<String, String>();
            var queryParams = new Dictionary<String, String>();
            var headerParams = new Dictionary<String, String>();
            var formParams = new Dictionary<String, String>();
            var fileParams = new Dictionary<String, FileParameter>();
            String postBody = null;

            // to determine the Accept header
            String[] http_header_accepts = new String[] {
                "application/json", "text/json"
            };
            String http_header_accept = ApiClient.SelectHeaderAccept(http_header_accepts);
            if (http_header_accept != null)
                headerParams.Add("Accept", ApiClient.SelectHeaderAccept(http_header_accepts));

            // set "format" to json by default
            // e.g. /pet/{petId}.{format} becomes /pet/{petId}.json
            pathParams.Add("format", "json");
            
            
            
            
            postBody = ApiClient.Serialize(promotion); // http body (model) parameter
            
    
            // authentication setting, if any
            String[] authSettings = new String[] {  };
    
            // make the HTTP request
            IRestResponse response = (IRestResponse) await ApiClient.CallApiAsync(path, Method.POST, queryParams, postBody, headerParams, formParams, fileParams, pathParams, authSettings);
            if (((int)response.StatusCode) >= 400)
                throw new ApiException ((int)response.StatusCode, "Error calling MarketingModulePromotionCreatePromotion: " + response.Content, response.Content);

            return (VirtoCommerceMarketingModuleWebModelPromotion) ApiClient.Deserialize(response.Content, typeof(VirtoCommerceMarketingModuleWebModelPromotion), response.Headers);
        }
        /// <summary>
        /// Update a existing dynamic promotion object in marketing system 
        /// </summary>
        /// <param name="promotion">&amp;gt;dynamic promotion object that needs to be updated in the marketing system</param> 
        /// <returns></returns>            
        public void MarketingModulePromotionUpdatePromotions (VirtoCommerceMarketingModuleWebModelPromotion promotion)
        {
            
            // verify the required parameter 'promotion' is set
            if (promotion == null) throw new ApiException(400, "Missing required parameter 'promotion' when calling MarketingModulePromotionUpdatePromotions");
            
    
            var path = "/api/marketing/promotions";
    
            var pathParams = new Dictionary<String, String>();
            var queryParams = new Dictionary<String, String>();
            var headerParams = new Dictionary<String, String>();
            var formParams = new Dictionary<String, String>();
            var fileParams = new Dictionary<String, FileParameter>();
            String postBody = null;

            // to determine the Accept header
            String[] http_header_accepts = new String[] {
                
            };
            String http_header_accept = ApiClient.SelectHeaderAccept(http_header_accepts);
            if (http_header_accept != null)
                headerParams.Add("Accept", ApiClient.SelectHeaderAccept(http_header_accepts));

            // set "format" to json by default
            // e.g. /pet/{petId}.{format} becomes /pet/{petId}.json
            pathParams.Add("format", "json");
            
            
            
            
            postBody = ApiClient.Serialize(promotion); // http body (model) parameter
            
    
            // authentication setting, if any
            String[] authSettings = new String[] {  };
    
            // make the HTTP request
            IRestResponse response = (IRestResponse) ApiClient.CallApi(path, Method.PUT, queryParams, postBody, headerParams, formParams, fileParams, pathParams, authSettings);
    
            if (((int)response.StatusCode) >= 400)
                throw new ApiException ((int)response.StatusCode, "Error calling MarketingModulePromotionUpdatePromotions: " + response.Content, response.Content);
            else if (((int)response.StatusCode) == 0)
                throw new ApiException ((int)response.StatusCode, "Error calling MarketingModulePromotionUpdatePromotions: " + response.ErrorMessage, response.ErrorMessage);
    
            return;
        }