public void setDeletionMessage(String deletionMessage) {
        this.deletionMessage = deletionMessage;
    }
<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).
aws-java-sdk-dax/src/main/java/com/amazonaws/services/dax/model/DeleteParameterGroupResult.java