# Basic information

By setting sales categories, merchants can attract affiliates who are good at promoting corresponding categories, sell products to precise customers, and improve conversions.

<figure><img src="/files/FxPrAOCbVbomxnNGm4ee" alt=""><figcaption></figcaption></figure>

Affiliates can see the merchant's sales categories on the merchant's affiliate portal.

<figure><img src="/files/JQUv45agpYv173KsvHJ9" alt=""><figcaption></figcaption></figure>

### Shop Currency Code

RecomSale automatically syncs your store currency code from Shopify, and commissions for affiliate orders will be calculated and paid in that currency.


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