Declarative action not working for service operations

[Neeta5]

Hello 
i have a requirement to create a declarative action view workbench which will users to major incident workbench i have create a client script declarative action but its not working 

function onClick(g_form, g_aw) {

    var sysId = g_form.getUniqueValue();

    var cacheBuster = Date.now();

    var url = "/$major_incident_workbench.do" +

              "?sysparm_stack=no" +

              "&sysparm_sys_id=" + sysId +

              "&sysparm_use_cache_buster=true" +

              "&uxpcb=" + cacheBuster;

 open(url);}

[NagaChandaE]

Hi @Neeta5 ,

This works for me 

function onClick() {

    var sysId = g_form.getUniqueValue();
    var cacheBuster = Date.now();

    var url = "$major_incident_workbench.do?sysparm_stack=no&sysparm_sys_id=" + sysId + "&sysparm_use_cache_buster=true&uxpcb=" + cacheBuster;

    open(url);
}