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Set a record producer variable

var si=new hld_hr_functions();
//setRPVariable: function(table name, ticket sysid, variable label, variable name, new variable value){
si.setRPVariable('hr_change', 'f886c7881bf4b300cee5ed7cee4bcb15','','snc_located_in_ad', 'BLAH');


script include code:


setRPVariable: function(table, ticketSYSID, optVariableName, optVariableName_db, new_value){
//--update a record producer variable value
//--called from a HR workflow (HR Leaver Returning with Old Trent ID)
//--reference:
//--https://docs.servicenow.com/bundle/london-application-development/page/script/server-scripting/concept/c_ScriptableServiceCatalogVariables.html
var gr= new GlideRecord(table);
gr.addQuery('sys_id', ticketSYSID);
gr.query();
var vars=[];

if (gr.next()) {
for (var prop in gr.variables) {
if (gr.variables.hasOwnProperty(prop) ){
var variable =  gr.variables[prop].getDisplayValue();
var v = gr.variables[prop];
if(!gs.nil(v.getGlideObject().getQuestion().getLabel()) &&  !gs.nil(gr.variables[prop].getDisplayValue())) {
var label = v.getGlideObject().getQuestion().getLabel();
var variableName=v.getGlideObject().getQuestion().getName();
if (optVariableName!='' || optVariableName_db!=''){
/*if (optVariableName.toLowerCase()==label.toLowerCase() && !gs.nil(variable) && variable!='undefined'){

vars.push( label.toUpperCase() + ' [' + variableName + '] : ' + variable );
break;
}*/
if (optVariableName_db.toLowerCase()==variableName.toLowerCase() && !gs.nil(variable) && variable!='undefined'){
//vars.push( label.toUpperCase() + ' [' + variableName + '] : ' + variable );
this._setVariable(ticketSYSID,variableName,new_value);
break;
}
}else{
if (!gs.nil(variable) && variable!='undefined'){
//vars.push( label.toUpperCase()+ ' [' + variableName + '] : ' + variable );
}
}
}
}
}
}
},

_setVariable: function(variable_table_sysid, variable_name, variable_newvalue){
var grVar=new GlideRecord('item_option_new');
grVar.addQuery('name', variable_name);
grVar.query();
while (grVar.next()){
var grAns=new GlideRecord('question_answer');
grAns.addQuery('table_sys_id', variable_table_sysid);
grAns.addQuery('question.sys_id='+ grVar.sys_id);
grAns.query();
if (grAns.next()){
//gs.print(grAns.value);
grAns.value=variable_newvalue;
grAns.update();
gs.addInfoMessage('VARIABLE UPDATED');
break;
}
}
},


//--------------------------------------------
//------------ADDITIONAL OPTIONS


LONG WAY
getVariableValues('hr_case', 'HRC0011250','' ,'chkCMSReq');

function getVariableValues(table, ticketNumber, optVariableName, optVariableName_db){
  var gr= new GlideRecord(table);
  gr.addQuery('number', ticketNumber);
  gr.query();
  var vars=[];
  if (gr.next()) {
    for (var prop in gr.variables) {
        if (gr.variables.hasOwnProperty(prop) ){
             var variable =  gr.variables[prop].getDisplayValue();
              var v = gr.variables[prop];
              if(!gs.nil(v.getGlideObject().getQuestion().getLabel()) &&  !gs.nil(gr.variables[prop].getDisplayValue())) {
                                var label = v.getGlideObject().getQuestion().getLabel();
                        var variableName=v.getGlideObject().getQuestion().getName();
                               
                                                if (!gs.nil(variable) && variable!='undefined'){
                           
                            if (variableName==optVariableName_db){
                                 gs.print( label.toUpperCase()+ ' [' + variableName + '] : ' + variable );
                               
                               
                                 var grVar=new GlideRecord('item_option_new');
                                 grVar.addQuery('name', variableName);
                                 grVar.query();
                                 while (grVar.next()){

                                      gs.print(grVar.sys_id);
                               
                               


                                      var grAns=new GlideRecord('question_answer');
                                        grAns.addQuery('table_sys_id', gr.sys_id);
                                       grAns.addQuery('question', grVar.sys_id);
                                       grAns.query();
                                      if (grAns.next()){

                                        gs.print(grAns.value);
                                        grAns.value='false';
                                       grAns.update();
                                     }
                                }
                             }
                                                }
                                             
            }
       }
    }
   }
}


Short way

setVariableValue('hr_case', 'HRC0011250','chkCMSReq', 'true');

function setVariableValue(table, ticketNumber, optVariableName_db, newVal){
  var gr= new GlideRecord(table);
  gr.addQuery('number', ticketNumber);
  gr.query();
   if (gr.next()) {
      var grVar=new GlideRecord('item_option_new');
      grVar.addQuery('name', optVariableName_db);
      grVar.query();
      while (grVar.next()){ //--use while loop in case variables named the same
                gs.print(grVar.sys_id);     
                var grAns=new GlideRecord('question_answer');
                 grAns.addQuery('table_sys_id', gr.sys_id);
                 grAns.addQuery('question', grVar.sys_id);
                 grAns.query();
                   if (grAns.next()){

                        gs.print('OLDVAL: ' + grAns.value);
                        grAns.value=newVal;
                        grAns.update();
                          gs.print('NEWVAL: ' + grAns.value);
break;
                  }
                               
                                               
           
       }
}
}

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