code: public EventSubscription withEventCategoriesList(String... eventCategoriesList) {
          if (this.eventCategoriesList == null) {
              setEventCategoriesList(new com.amazonaws.internal.SdkInternalList<String>(eventCategoriesList.length));
          }
          for (String ele : eventCategoriesList) {
              this.eventCategoriesList.add(ele);
          }
          return this;
      }
docs: <p>
  The list of Amazon Redshift event categories specified in the event notification subscription.
  </p>
  <p>
  Values: Configuration, Management, Monitoring, Security
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setEventCategoriesList(java.util.Collection)} or {@link #withEventCategoriesList(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param eventCategoriesList
  The list of Amazon Redshift event categories specified in the event notification subscription.</p>
  <p>
  Values: Configuration, Management, Monitoring, Security
  @return Returns a reference to this object so that method calls can be chained together.