XML : Root Element - Where should it go?

I have the following XML, I am told the root element is called "offer" - where would that sit? SoapUI complains when I put it inside 'xmljob' telling me the element is not allowed.

Many thanks, R

        <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:rep="repgoeshere">  <soap:Header/>      <soap:Body>      <rep:UploadJob>      <rep:userName>myname</rep:userName>      <rep:passWord>mypassword</rep:passWord>      <rep:xmlJob>      <offer></offer>      </rep:xmlJob>      </rep:UploadJob>      </soap:Body>  </soap:Envelope>