private/xml/fetchContactFromCloudAccount.xml

<fetch version="1.0" output-format="xml-platform" mapping="logical" distinct="false">
  <entity name="contact">
    <attribute name="fullname" />
    <attribute name="telephone1" />
    <attribute name="jobtitle" />
    <attribute name="contactid" />
    <attribute name="parentcustomerid" />
    <attribute name="address1_line1" />
    <attribute name="winvs_location" />
    <attribute name="mobilephone" />
    <attribute name="gendercode" />
    <attribute name="emailaddress1" />
    <order attribute="fullname" descending="false" />
    <link-entity name="mw_cloudaccount" from="mw_contact" to="contactid" alias="ab">
      <filter type="and">
        <filter type="or">
          <condition attribute="mw_cloudaccountid" operator="eq" value="806e3a4e-4b87-ef11-9145-00155d872205" />
        </filter>
      </filter>
    </link-entity>
  </entity>
</fetch>