create xsd for the below xml

Question

i need xsd for he below xml.

<?xml version="1.0"?>

<apirequest password="test@1234" method="UpdateAttributes" username="PCHUHGAdmin">

<values>

<value name="docid" datatype="number">6411</value>

<value name="Association ID" datatype="text">5543</value>

<value name="Employer Branch" datatype="text">POR</value>

</values>

</apirequest>

 regards, 

Pratheepa