code: public void setYPUNITVL(Integer newYPUNITVL) {
  		Integer oldYPUNITVL = ypunitvl;
  		ypunitvl = newYPUNITVL;
  		if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, AfplibPackage.PTD__YPUNITVL, oldYPUNITVL, ypunitvl));
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated