Call a Suitelet script from another Suitelet Script

Jira Code : BGGN-551

/** To call one suitelet from another suitelet **/
function callSuitelet()
{
let newURL = url.resolveScript({
                  scriptId: 'customscript_jj_sl_alert_amendpo_bgg538',
                  deploymentId: 'customdeploy_jj_sl_alert_amendpo_bgg538',
                  params: {'poID': 1234},
                  returnExternalUrl : true
            });
return redirect.redirect({ url: newURL });
}

Script ID and Deployment ID can be fetched after deploying the second suitelet in the NS account