Creates an attribute on the geometry or object.


## Description

This allows you to create an attribute and define the following:
- the group this applies to
- the name
- the type (numeric or string)
- the size (float, vector2, vector3 or vector4)
- the class (geometry or object attribute)
- the value

Note that you can also given an expression to set the value of the attribute, such as `sin(2*@P.z)`


## Parameters

<table>
<thead>
	<tr>
		<th>Name</th>
		<th>Type</th>
		<th>Description</th>
	</tr>
</thead>
<tr>
	<td>group</td>
	<td><div class='bg-purple-800 px-2 py-px text-white rounded-sm'>string</div></td>
	<td>the group this applies to</td>
</tr>
<tr>
	<td>class</td>
	<td><div class='bg-orange-800 px-2 py-px text-white rounded-sm'>integer</div></td>
	<td>the attribute class (geometry or object)</td>
</tr>
<tr>
	<td>type</td>
	<td><div class='bg-orange-800 px-2 py-px text-white rounded-sm'>integer</div></td>
	<td>the attribute type (numeric or string)</td>
</tr>
<tr>
	<td>name</td>
	<td><div class='bg-purple-800 px-2 py-px text-white rounded-sm'>string</div></td>
	<td>the attribute name</td>
</tr>
<tr>
	<td>size</td>
	<td><div class='bg-orange-800 px-2 py-px text-white rounded-sm'>integer</div></td>
	<td>the attribute size (1 for float, 2 for vector2, 3 for vector3, 4 for vector4)</td>
</tr>
<tr>
	<td>value1</td>
	<td><div class='bg-yellow-800 px-2 py-px text-white rounded-sm'>float</div></td>
	<td>the value for a float attribute</td>
</tr>
<tr>
	<td>value2</td>
	<td><div class='bg-teal-800 px-2 py-px text-white rounded-sm'>vector2</div></td>
	<td>the value for a vector2</td>
</tr>
<tr>
	<td>value3</td>
	<td><div class='bg-blue-800 px-2 py-px text-white rounded-sm'>vector3</div></td>
	<td>the value for a vector3</td>
</tr>
<tr>
	<td>value4</td>
	<td><div class='bg-lime-800 px-2 py-px text-white rounded-sm'>vector4</div></td>
	<td>the value for a vector4</td>
</tr>
<tr>
	<td>string</td>
	<td><div class='bg-purple-800 px-2 py-px text-white rounded-sm'>string</div></td>
	<td>the value for a string attribute</td>
</tr>
</table>