public void setCustSubscriptionId(String custSubscriptionId) {
        this.custSubscriptionId = custSubscriptionId;
    }
<p>
The Amazon DocumentDB event notification subscription ID.
</p>

@param custSubscriptionId
       The Amazon DocumentDB event notification subscription ID.
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/EventSubscription.java