properties-local.xml

<properties xmlns:xs="http://www.w3.org/2001/XMLSchema"
            xmlns:oxf="http://www.orbeon.com/oxf/processors">

    <property as="xs:string"  name="oxf.fr.detail.buttons.*.*"                              value="submit"/>
    <property as="xs:string"  name="oxf.fr.detail.process.submit.*.*">
        require-uploads
        then validate-all
        then save(draft="false")
        then send(
          uri      = "http://requestb.in/1alf9hv1",
          method   = "POST",
          replace  = "none",
          content  = "xml"
        )
    </property>

</properties>