code: public void setEventCategoriesList(java.util.Collection<String> eventCategoriesList) {
          if (eventCategoriesList == null) {
              this.eventCategoriesList = null;
              return;
          }
  
          this.eventCategoriesList = new java.util.ArrayList<String>(eventCategoriesList);
      }
docs: <p>
  A list of event categories for the event notification subscription.
  </p>
  
  @param eventCategoriesList
  A list of event categories for the event notification subscription.