Symbolic Name of the bundle for DOR sample

[#1]

A bit of a noob question. I am trying to use the package at below link to generate document of record at the click of a button.

Adobe Experience Manager Help | Using API to generate Document of Record with AEM Forms

I have downloaded and configured the package and created a service "user data" to be used with the service. I now want to add an entry to Apache Sling mapper service. Could anyone tell me from where I can find the symbolic name of the bundle that I need to input at this step?

[#2]

follow the steps mentioned In Point 2 of this article

Adobe Experience Manager Help | Developing with Service Users in AEM Forms

[#3]

Click on any bundle and you will see the Symbolic name of the bundle listed