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Mastering ServiceNow by Martin Wood

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Manipulating the form with GlideForm

A UI Policy conditionally performs a limited set of actions on a form, such as making a field mandatory or hiding it from view. Internally, this uses a client-side class called GlideForm, which is also available for use by the System Administrator.

Just like Business Rules, ServiceNow also provides some global variables that smooth the interaction with the platform. On every form, you'll find a g_form object instantiated from GlideForm.

Tip

For more information, check out the wiki at http://wiki.servicenow.com/?title=GlideForm.

Using GlideForm

GlideForm provides getter and setter methods that give access to the record as it is displayed on the screen. Let's run some code in the JavaScript executor in order to understand ...

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