* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetParameterExpression(Expression newParameterExpression, NotificationChain msgs) {
Expression oldParameterExpression = parameterExpression;
parameterExpression = newParameterExpression;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, FixFlowPackage.TASK_COMMAND__PARAMETER_EXPRESSION, oldParameterExpression, newParameterExpression);
if (msgs == null) msgs = notification; else msgs.add(notification);
}