creates an envelope that can be given to synths



## Description
no description
## Parameters

<table>
<thead>
	<tr>
		<th>Name</th>
		<th>Type</th>
		<th>Description</th>
	</tr>
</thead>
<tr>
	<td>attack</td>
	<td><div class='bg-yellow-800 px-2 py-px text-white rounded-sm'>float</div></td>
	<td>The amount of time it takes for the envelope to go from 0 to it's maximum value.</td>
</tr>
</table>