How to get the extended table names in a script?

[gokulraj]

Hi Team,

I want to get the all extended table names by passing a table name.

Example:"Incident,Problem,Change Request "these tables Extends the table name called Task.If I pass the Task Table I have to Populate those three tables "I...

Regards,

Gokulkraj

[Pranay Tiwari]

If you phase any issue then it will help you.

Mark correct or helpful if it helps you.

Warm Regards,

Pranay Tiwari

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[Lyle Taylor]

You can use TableUtils to get all tables that eventually extend a base table:

https://developer.servicenow.com/app.do#!/api_doc?v=kingston&id=r_TU-getTableExtensions 

[Luke Van Epen]

The instanceOf method works for this:

var incGR = new GlideRecord('incident');
var ritmGR = new GlideRecord('sc_req_item');

gs.info(incGR.instanceOf('task')); //true
gs.info(ritmGR.instanceOf('task')); //true
gs.info(incGR.instanceOf('incident'));//true
gs.info(incGR.instanceOf('sc_req_item'));//false