Creating a tag for Intacct Products

PeopleCallMeBillable Expensify Customer Posts: 5 Expensify Newcomer

For each expense, I want users to select the relevant 'Product' in our Intacct product list. How can I make my product list appear as a user-defined dimension (as a tag drop-down)? What is the "integration name" I should use in the "Add a dimension" field?