---
agentTools:
  projectIndex: https://developer.bill.com/llms.txt
---

# New v3 API recipe for Spend & Expense transaction management

We have added a new recipe for showcasing how you can set up a Spend & Expense custom field and then tag transactions with the created custom field. See **Spend & Expense transaction management** in the [Recipes](https://developer.bill.com/recipes) section for more information.