retrieve all catalog variables (server script)

see https://docs.servicenow.com/bundle/orlando-application-development/page/script/server-scripting/concept/c_ScriptableServiceCatalogVariables.html

retrieve_variables: function(RITMsysid) {

/*call the function this way:

var si=new cu_request().retrieve_variables('f9405a06db859cd0be49fe03f39619ee');

gs.print(si);

*/

        var arrReturn = [];

        try {

            var grRITM = new GlideRecord('sc_req_item');

            if (grRITM.get('sys_id', RITMsysid)) {

                var RITMvariables = grRITM.variables.getElements();

                for (var ix = 0; ix < RITMvariables.length; ix++) {

                    var question = RITMvariables[ix].getQuestion();

                    //gs.log(question.getLabel() + ":" + question.getValue());

                    arrReturn[ix]=(question.getLabel() + ":" + question.getValue());

                }

            }

        } catch (ex) {

        }

        return arrReturn;

    },