public CreateRelayResult withRelayId(String relayId) {
        setRelayId(relayId);
        return this;
    }
<p>
A unique identifier of the created relay resource.
</p>

@param relayId
       A unique identifier of the created relay resource.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mailmanager/src/main/java/com/amazonaws/services/mailmanager/model/CreateRelayResult.java