Administrators can domain separate custom tables by adding a sys_domain field to it.
Navigate to the table's list view. For example, type <table
name>.list in the navigation filter.
Right-click the list header and select
In the Create new field section, enter
sys_domain as the Name and
Domain ID as the Type.
Note: Any other means of creating a field adds a u_
prefix to the column name. For domain separation to work the
column name must be sys_domain without any