AdWords API valid soap for adgroup

<?xml version="1.0" ?>
- <soap:Envelope
xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
- <soap:Header>
<email>xxxxxxxxxxxx</email>
<clientEmail>xxxxxxxxxxxx</clientEmail>
<password>xxxxxxxxxxxx</password>
<useragent>xxxxxxxxxxxx</useragent>
<token>xxxxxxxxxxxx</token>
</soap:Header>
- <soap:Body>
- <m:addAdGroup
xmlns:m="https://adwords.google.com/api/adwords/v2/AdGroupService">
<campaignID>10909924</campaignID>
- <newData>
<maxCpc>50000</maxCpc>
</newData>
</m:addAdGroup>
</soap:Body>
</soap:Envelope>