# Merchant & Description (/docs/guides/configuration/merchant-and-description)







# Merchant & Description [#merchant--description]

Different banks format transaction data differently. Lunch Flow lets you control how descriptions and merchant names appear in your destinations.

Lunch Flow offers three modes:

* **Auto:** The system intelligently infers descriptions and merchant names
* **Manual:** You choose which fields to use
* **Advanced (template mode):** Write custom templates using the Eta templating language, with a live preview of the result

<img alt="Merchant name configuration options" src="__img0" />

<Callout type="tip">
  You can use ChatGPT to auto-generate an Eta template by describing your bank's transaction format.
</Callout>

<img alt="Advanced template mode with live preview" src="__img1" />