code: public void setYPEXTENT(Integer newYPEXTENT) {
  		Integer oldYPEXTENT = ypextent;
  		ypextent = newYPEXTENT;
  		if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, AfplibPackage.PTD1__YPEXTENT, oldYPEXTENT, ypextent));
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated