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layout: stdlib-reference
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# COMMITTED_PROCEDURAL_PRIMITIVE_HIT

## Description

Closest hit is a procedural primitive.
A procedural hit primitive is committed using <span class='code'><a href="../types/rayquery-03/index.html" class="code_type">RayQuery</a>.<a href="../types/rayquery-03/commitproceduralprimitivehit-06gp.html">CommitProceduralPrimitiveHit</a></span>.


## Signature
<pre>
<span class='code_keyword'>static</span> <span class='code_keyword'>const</span> <span class="code_keyword">uint</span> <a href="committed_procedural_primitive_hit-012345678abcdefghijlmnopqrstvwx.html" class="code_var">COMMITTED_PROCEDURAL_PRIMITIVE_HIT</a> = 2;
</pre>