# FarPoint.Web.Spread.Model.ICustomFunctionSupport.AddCustomFunction

## Content

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<h1 id="FarPoint_Web_Spread_Model_ICustomFunctionSupport_AddCustomFunction_" data-uid="FarPoint.Web.Spread.Model.ICustomFunctionSupport.AddCustomFunction*">AddCustomFunction Method
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<div class="markdown level0 conceptual"></div>



<a id="FarPoint_Web_Spread_Model_ICustomFunctionSupport_AddCustomFunction_" data-uid="FarPoint.Web.Spread.Model.ICustomFunctionSupport.AddCustomFunction*"></a>
<h4 id="FarPoint_Web_Spread_Model_ICustomFunctionSupport_AddCustomFunction_FarPoint_CalcEngine_FunctionInfo_" data-uid="FarPoint.Web.Spread.Model.ICustomFunctionSupport.AddCustomFunction(FarPoint.CalcEngine.FunctionInfo)">AddCustomFunction(FunctionInfo)</h4>
<div class="markdown level1 summary"><p>Adds a new user-defined function to the model for use in formulas.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">void AddCustomFunction(FunctionInfo functionInfo)</code></pre>
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  <pre><code class="lang-vbnet hljs">Sub AddCustomFunction(functionInfo As FunctionInfo)</code></pre>
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<h5 class="parameters">Parameters</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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    <tr>
      <td><a class="xref" href="../FarPoint.CalcEngine/FarPoint.CalcEngine.FunctionInfo.html">FunctionInfo</a></td>
      <td><span class="parametername">functionInfo</span></td>
      <td><p>Function to add</p>
</td>
    </tr>
  </tbody>
</table>
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