# set\_fees

{% hint style="warning" %}
This entrypoint should be called only by `admin` address.
{% endhint %}

This entrypoint is designed to update fee rates.

More info about fee storage and precisions, please, read [Storage and types overview](/smart-contracts/quipuswap-stable-swap-dex/standalone-dex/storage-and-types-overview.md#fee-storage-fee-rates-record) section.

### Call parameters

<table><thead><tr><th width="150">Field</th><th width="190" align="center">Type</th><th width="448.2">Description</th></tr></thead><tbody><tr><td>pool_id</td><td align="center"><code>pool_id_t</code></td><td>pool identifier.</td></tr><tr><td>fee</td><td align="center"><code>fees_storage_t</code></td><td>contains fee rates, percent multiplied by <span class="math">10^{10}</span>, for liquidity providers, QUIPU token stakers, and for referral.</td></tr></tbody></table>

```pascaligo
type fees_storage_t     is [@layout:comb] record [
  lp                      : nat; 
  stakers                 : nat;
  ref                     : nat;
]

type set_fee_param_t    is [@layout:comb] record [
  pool_id                 : pool_id_t;
  fee                     : fees_storage_t;
]
```


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