ServiceNow email script list catalog item and varables

gistfile1.js

<mail_script>

template.print("<p></p>Requested items:\n");

var gr = new GlideRecord("sc_req_item");
gr.addQuery("request", current.sysapproval);
gr.query();
while(gr.next()) {
    template.print(gr.number + ":  " + gr.cat_item.getDisplayValue() + ", Stage: " + gr.stage.getDisplayValue() + "\n");
    
    for (key in gr.variables) {
     var v = gr.variables[key];
     if(v.getGlideObject().getQuestion().getLabel() != '') {
     template.space(4);
     template.print('     ' +  v.getGlideObject().getQuestion().getLabel() + " = " + v.getDisplayValue() + "\n");
     }
    }

}

</mail_script>