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g_scratchpad not working

vivektietkumar
Giga Contributor

Hi All, I am trying to learn using g_scratchpad variable in business rules and have made a simple program that is not working, so request some guidance.

        1. I have a table called check-in and it has a reference field called guest.

        2. I have a table called Guest and that has a field called VIP

        3. I want a message to be shown using g_scratchpad when someone tries to checkin a VIP guest.

        4. I created a display business rule on checkin table (Get VIP Flag) with the following script:

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

            g_scratchpad.vip='current.x_53167_hotel1_guest.vip';

            })(current, previous);

      5. Then I have the following client script (Alert for VIP)

function onChange(control, oldValue, newValue, isLoading,

isTemplate) {

var showVIP = function() {

g_form.showFieldMsg('x_53167_hotel1_check_in.guest','Guest is a VIP');

};

if (isLoading) {

if(g_scratchpad.vip'){

showVIP();

}

return;

}else{

g_form.hideFieldMsg('x_53167_hotel1_check_in.guest');

}

if(newValue==''){

return;

}

}

  6. The logs dont seem to have any error captured

      22:42:32.622: App:Hotel1   ==> 'Get VIP flag' on x_53167_hotel1_check_in:CHE0001128

22:42:32.623: >> Entering scope [x_53167_hotel1]

22:42:32.623: << Exited scope [x_53167_hotel1], popped back into [rhino.global]

22:42:32.623: App:Hotel1   <== 'Get VIP flag' on x_53167_hotel1_check_in:CHE0001128

22:42:32.623: Finished executing before_display before business rules on x_53167_hotel1_check_in:CHE0001128

Please help. Thanks a lot.

1 ACCEPTED SOLUTION

Hi Vivek,



I think you need to do GlideAjax, as per my understanding Business Rule get trigger when form loads or you save the record. When you will do onChange then at   time there is no action happening on form. I tried below code and it works fine, please check if this helps.



onChange Client Script:



function onChange(control, oldValue, newValue, isLoading, isTemplate) {


if (isLoading || newValue === '') {


return;


}


var sys_id = newValue;


var userDetails = new GlideAjax("DisplayUserDetails");


userDetails.addParam("sysparm_name", "getUserDetails");


userDetails.addParam("sysparm_sys_id", sys_id);


userDetails.getXML(ajaxResponse);


function ajaxResponse(serverResponse) {


var answer = serverResponse.responseXML.documentElement.getAttribute("answer");


if(answer == 'true')


g_form.showFieldMsg('caller_id', 'User is a VIP');  


else


g_form.showFieldMsg('caller_id', 'User is NOT VIP');


}


}




Script Include:


var DisplayUserDetails = Class.create();


DisplayUserDetails.prototype = Object.extendsObject(AbstractAjaxProcessor, {


getUserDetails : function() {


var sysid = this.getParameter('sysparm_sys_id');


var newUserRecord = new GlideRecord('sys_user');


newUserRecord.addQuery('sys_id', sysid);


newUserRecord.query();


if(newUserRecord.next())


{


var guestIsVIP = (newUserRecord.vip) ? true : false;


return guestIsVIP;


}


},


type: 'DisplayUserDetails'


});


View solution in original post

77 REPLIES 77

it kind of worked..... not sure why it is showing false for both the cases, that is when i pick VIP or non VIP.


Mark the answer correct and close this thread . so that i can get some points


Hi Vivek,



You don't have to pass table name instead you need to use reference field name for example:


current.guest.vip;



where guest field should be there in checkin table.


Thanks. This brings out an interesting behavior. Now when I load the check-in form, I see the message "Gues is a VIP" on Guest field and this message disappears when I pick a name in it.


chirag_bagdai
ServiceNow Employee
ServiceNow Employee

In your client script, I see errors like :   if(g_scratchpad.vip'){   -- single Inverted comma



Can you please try below example:



Business Rule:


Screen Shot 2017-07-09 at 2.24.06 PM.png



Client Script:


Screen Shot 2017-07-09 at 2.18.45 PM.png


Here - "guest" is a reference field of "Guest" table & "vip" is a boolean field present in Guest table.