public java.util.List<String> getEventCategories() {
        if (eventCategories == null) {
            eventCategories = new com.amazonaws.internal.SdkInternalList<String>();
        }
        return eventCategories;
    }
<p>
A list of event categories for a source type (<code>SourceType</code>) that you want to subscribe to. You can see
a list of the categories for a given source type in <a
href="https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_Events.html">Events</a> in the <i>Amazon RDS
User Guide</i> or by using the <code>DescribeEventCategories</code> operation.
</p>

@return A list of event categories for a source type (<code>SourceType</code>) that you want to subscribe to. You
        can see a list of the categories for a given source type in <a
        href="https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_Events.html">Events</a> in the
        <i>Amazon RDS User Guide</i> or by using the <code>DescribeEventCategories</code> operation.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/ModifyEventSubscriptionRequest.java