public DeleteParameterGroupResult withDeletionMessage(String deletionMessage) {
        setDeletionMessage(deletionMessage);
        return this;
    }
<p>
A user-specified message for this action (i.e., a reason for deleting the parameter group).
</p>

@param deletionMessage
       A user-specified message for this action (i.e., a reason for deleting the parameter group).
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-dax/src/main/java/com/amazonaws/services/dax/model/DeleteParameterGroupResult.java