> For the complete documentation index, see [llms.txt](https://docs.p4warehouse.com/v2/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.p4warehouse.com/v2/returns/system-configurations/data-entry.md).

# Data Entry

<figure><img src="/files/mfns5sfWfNWuVDsHtIAL" alt=""><figcaption></figcaption></figure>

* **Customer Return Number Prefix**: allows to set customer return number prefix (Ex: RMA-).
* **Allow Custom Rma Number**: whether a custom RMA number could be entered during data entry.
* **Duplicate Sku Behaviour**: duplicate SKUs line dehaviour.&#x20;
  * Allow - allows duplicates
  * Warning - will present a prompt warning of a duplicate
  * Prevent - will error on attempt to create a duplicate

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