How to Auto populate Assignment group when we select category and Sub-Category in catalog. I tried

[Tulasiram1]

How to Auto populate Assignment group when we select category and Sub-Category in catalog. I tried with catalog client script and script include but not populating.

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

//Type appropriate comment here, and begin script below
if(g_form.getValue('sub_category')==''){
return;

}
var Assignment_Group = new GlideAjax('getTitle');
getAssignment_Group.addParam('sysparm_name', 'getAssignment_Group');
getAssigment_Group.addParam('sysparm_user_id', newValue);
getAssignment_Group.getXML(setAssignment_Group);

function setTitle(response){
var answer = response.responseXML.documentElement.getAttribute('answer');
g_form.setValue(('job_Assignment_Group', answer));
}


}

script include :

var GetAssignment_Group = Class.create();
GetAssignment_Group.prototype = Object.extendsObject(AbstractAjaxProcessor, {
getAssignment_Group : function(){
var user_id = this.getParameter('sysparm_user_id');
var grUser = new GlideRecord('sys_user');
grUser.addQuery();
if(grUser.next()){
return grUser.getValue('Assignment_Group');
}
},
type: 'GetAssignment_Group'
});

[Tulasiram1]

[Mohan raj]

Hi @Tulasiram1 ,

In the both Script having mistakes 

To Learn how to write client callble script include with onchange client script reference below link

How to call script include from client script | #s... - ServiceNow Community

Try this code I hope this helps.

Onchange Client Script

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

    //Type appropriate comment here, and begin script below
    if (g_form.getValue('sub_category') == '') {
        return;

    }
    var Assignment_Group = new GlideAjax('getTitle');
    getAssignment_Group.addParam('sysparm_name', 'getAssignment_Group');
    getAssigment_Group.addParam('sysparm_user_id', g_form.getUniqueValue());
    getAssignment_Group.getXML(setAssignment_Group);

    function setAssignment_Group(response) {
        var answer = response.responseXML.documentElement.getAttribute('answer');
        g_form.setValue('job_Assignment_Group', answer);
    }


}

Script include

var getTitle = Class.create();
getTitle.prototype = Object.extendsObject(AbstractAjaxProcessor, {
    getAssignment_Group: function () {
        var user_id = this.getParameter('sysparm_user_id');
        var grUser = new GlideRecord('sys_user');
        grUser.addQuery('sys_id', user_id);
        if (grUser.next()) {
            return grUser.getValue('Assignment_Group');
        }
    },
    type: 'getTitle'
});

If my response help please mark it correct or helpful.

Regards
Mohan

[Tulasiram1]

Hello Mohan not working

[Tulasiram1]