question: ascertains whether mapcommandbuttonid or checkboxid are a part of componentid . componentid might be a fully qualified id , with a prefix corresponding to container component s . concode_field_sep Polygon mapPolygon concode_elem_sep DateFormat dateFormat concode_elem_sep String id concode_elem_sep String mapCommandButtonId concode_field_sep String getUseDaylightTime concode_elem_sep String getLocation concode_elem_sep String getDisplayName concode_elem_sep String getTime concode_elem_sep String getId concode_elem_sep String getInDaylightTime concode_elem_sep Polygon getMapPolygon concode_elem_sep String getMapCommandButtonId
target: boolean function ( String arg0 ) { return arg0 . endsWith ( mapCommandButtonId ) ; }