UI action code to insert record in table with attachment ServiceNow?

Action name: type_button_action

Onclick : ClientSideScript()

Script:

function ClientSideScript() {
    g_form.setMandatory("short_description", false);
    gsftSubmit(null, g_form.getFormElement(), 'type_button_action'); //MUST call the 'Action name' set in this UI Action
}
//Ensure call to server-side function with no browser errors
if (typeof window == 'undefined')
    runBusRuleCode();
 //Server-side function
function runBusRuleCode() {
    var gr = new GlideRecord("incident");
    gr.initialize();
    gr.short_description = "test";
    var getsys = gr.insert();
    current.short_description = "insert";
    current.update();
    GlideSysAttachment.copy('change_request', current.sys_id, 'incident', getsys);
    gs.addInfoMessage('You did it!');
    action.setRedirectURL(current);
}