# set\_dev\_fee

Sets developer fee rate. Input value is `nat`.

{% hint style="info" %}
Fee stored as float value multiplied by `fee_denominator` = $$10^{10}$$
{% endhint %}

### Parameters

<table><thead><tr><th width="150">Field</th><th width="150" align="center">Type</th><th>Description</th></tr></thead><tbody><tr><td>-</td><td align="center"><code>nat</code></td><td>Developer fee value. This value is a percent from value (where <span class="math">10^{10} = 100\%</span>). Dev fee percent is less than <span class="math">50\%</span>.</td></tr></tbody></table>