Add a suburb field to the `GlobalAddress` entity

Procedure

Navigate to configuration > config > Extensions > Entity and double-click GlobalAddress.etx to open it in the editor.
Right-click the top element on the left, the delegate(extension) GlobalAddress, and choose Add new > column.
Enter the following values on the right:
- name – Suburb_Ext
- type – varchar
- nullok – true
- desc – Address field for countries that have both a suburb and a city field
Guidewire recommends that you always add the _Ext extension to any new entity field that you add to the base PolicyCenter data model.
On the left, right-click the new Suburb_Ext column and choose Add new > columnParam.
Enter the following values on the right:
- name – size
- value – 50