bool(true)
<pre>Array
(
    [business] => contact2@mistercopy.lu
    [custom] => 917e183c41f5174314a01e432ba763baf909fd811e373d0732ee500bcac9a7ab
    [invoice] => 5b38cc694c6e4
)
</pre>
<!--
				<input type="hidden" name="business" value="contact2@mistercopy.lu">

				<input type="hidden" name="custom" value="917e183c41f5174314a01e432ba763baf909fd811e373d0732ee500bcac9a7ab">
				<input type="hidden" name="invoice" value="5b38cc6b0b366">
-->