How to populate values in MRVS automatically from List type variable on catalog item

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rkreddy
Giga Expert

‎02-04-2021 10:29 PM

Hi All,

I Have a List type variable on Catalog form, referring to user table. And I have MRVS on the same form, with the variables like name, email, department, telephone. If I select any user in List Type Variable, I need to populate the user related information in MRVS, like his name, email, location, telephone. And If I remove user from List Variable, related row needs to be deleted from MRVS. The same should work on MRVS too, like if i remove row from MRVS, the related user should be removed from List variable.

find_real_file.png

Thanks in Advance

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Ankur Bawiskar
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In response to rkreddy

‎02-05-2021 01:48 AM

Hi,

I assume your onChange is written on the Attendee List field

Updated below

Script Include:

var populateEmailfromList = Class.create();
populateEmailfromList.prototype = Object.extendsObject(AbstractAjaxProcessor, {

    listcollector:function() {    

        var listValuename = [];
        var userInfo = this.getParameter('sysparm_user_info'); //Passing the selected list collector asset value.
        var query = 'sys_idIN' + userInfo;
        if(userInfo)
        {            
            var gr = new GlideRecord('sys_user');
            gr.addEncodedQuery(query);
            gr.query();
            while (gr.next()){
                //Push selected list collector values into multi row variable set variables.
                // use the correct mrvs variable name here for attendee_name,email_address,department
                listValuename.push({
                    "attendee_name": gr.getValue('sys_id'),  
                    "email_address": gr.getValue('email'),
                    "department":gr.getDisplayValue('department')
                });
            }
        }
        return JSON.stringify(listValuename);
    },
    type: 'populateEmailfromList'

});

Client Script:

function onChange(control, oldValue, newValue, isLoading) {
    if (isLoading || newValue == '') {
        return;
    }

    var listValuename = g_form.getValue('attendees'); //Getting the list collector values.

    var ga = new GlideAjax('populateEmailfromList'); //Calling Script Include.
    ga.addParam('sysparm_name', 'listcollector'); // Function name of the script include.
    ga.addParam('sysparm_user_info', listValuename); // Passing selected list collector value as parameter.
    ga.getXML(listcolleValues);

    function listcolleValues(response){

        var val = response.responseXML.documentElement.getAttribute("answer");
        g_form.setValue('variables.attendees_information', val); //Set multi row variable set with the selected list collector values.
    }
}

Regards
Ankur

Regards,
Ankur
✨ Certified Technical Architect  ||  ✨ 9x ServiceNow MVP  ||  ✨ ServiceNow Community Leader

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Ankur Bawiskar
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Tera Patron

‎02-04-2021 10:42 PM

Hi,

you would require before update BR on sc_req_item table

Condition: current.cat_item.name == 'Your Catalog Item Name Here' && current.u_attendees.changes()

Script:

(function executeRule(current, previous /*null when async*/) {

    // Add your code here

var users = current.u_attendees.toString();

var arr = [];

var rec = new GlideRecord('sys_user');
rec.addQuery('sys_id', 'IN', users);
rec.query();
while(rec.next()){

var obj = {};

obj["attendee_name"] = rec.getValue('name'); // give the respective variable name inside MRVS here

obj["email_address"] = rec.getValue('email'); // give the respective variable name inside MRVS here

obj["department"] = rec.getValue('department'); // give the respective variable name inside MRVS here

arr.push(obj);

}

current.variables.mrvsVariableName = JSON.stringify(arr); // give the MRVS variable name here

})(current, previous);

Regards
Ankur

Regards,
Ankur
✨ Certified Technical Architect  ||  ✨ 9x ServiceNow MVP  ||  ✨ ServiceNow Community Leader
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rkreddy
Giga Expert
In response to Ankur Bawiskar

‎02-04-2021 11:12 PM

Hi Ankur,

Can We do it Onchange? I also have some other fields which depend on row count in MRVS, so I need to make it onChange.

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Ankur Bawiskar
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In response to rkreddy

‎02-04-2021 11:24 PM

Hi,

Yes you can try onChange but remember you will have to use GlideAjax to get the user details as json string

Regards
Ankur

Regards,
Ankur
✨ Certified Technical Architect  ||  ✨ 9x ServiceNow MVP  ||  ✨ ServiceNow Community Leader
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rkreddy
Giga Expert
In response to Ankur Bawiskar

‎02-04-2021 11:33 PM

Thanks Ankur. Could you please update the script? I can able to achieve it on change of List variable, like adding or removing the value in List, reflects same in the MRVS. But if I remove any value from MRVS, it is not removing from List. I need to make it work on both variables change.

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