/// <remarks/>
 public void CreateListCustomFieldAsync(string ApiKey, string ListID, string FieldName, SubscriberFieldDataType DataType, string Options) {
     this.CreateListCustomFieldAsync(ApiKey, ListID, FieldName, DataType, Options, null);
 }
 /// <remarks/>
 public void CreateListCustomFieldAsync(string ApiKey, string ListID, string FieldName, SubscriberFieldDataType DataType, string Options, object userState) {
     if ((this.CreateListCustomFieldOperationCompleted == null)) {
         this.CreateListCustomFieldOperationCompleted = new System.Threading.SendOrPostCallback(this.OnCreateListCustomFieldOperationCompleted);
     }
     this.InvokeAsync("CreateListCustomField", new object[] {
                 ApiKey,
                 ListID,
                 FieldName,
                 DataType,
                 Options}, this.CreateListCustomFieldOperationCompleted, userState);
 }
 public Result CreateListCustomField(string ApiKey, string ListID, string FieldName, SubscriberFieldDataType DataType, string Options) {
     object[] results = this.Invoke("CreateListCustomField", new object[] {
                 ApiKey,
                 ListID,
                 FieldName,
                 DataType,
                 Options});
     return ((Result)(results[0]));
 }