protected String toScope;
protected String fromScope;
public SetField(ModelScreen modelScreen, Element setElement) {
super (modelScreen, setElement);
this.field = new FlexibleMapAccessor(setElement.getAttribute("field"));
this.fromField = new FlexibleMapAccessor(setElement.getAttribute("from-field"));
this.valueExdr = new FlexibleStringExpander(setElement.getAttribute("value"));
this.defaultExdr = new FlexibleStringExpander(setElement.getAttribute("default-value"));
this.globalExdr = new FlexibleStringExpander(setElement.getAttribute("global"));
this.type = setElement.getAttribute("type");
this.toScope = setElement.getAttribute("to-scope");