Mastering ServiceNow Scripting

Calling server-side script

Now that we have seen how to use client-side scripts in UI actions, we can look at taking this a step further and using client- and server-side script in the same UI action.

This can be achieved by first calling client-side script in the UI action, which then calls the UI action in the code, and therefore runs the server-side script. This is a slightly strange concept to imagine at first, so let's see how it works.

First, we need to take a look at the line of code that calls the UI action from the client-side code:

gsftSubmit(null, g_form.getFormElement(), '<ui_action_name>');

The preceding line of code calls the UI action, but this time, it will run it on the server side. When using this technique, you must ensure ...