code: public MAP outboundMap(Map<String, Object> ctx)
     {
        AddressingProperties implementation = (AddressingProperties)ctx.get(CXFMAPConstants.CLIENT_ADDRESSING_PROPERTIES_OUTBOUND);
        if (implementation == null)
        {
           implementation = new AddressingProperties();
           ctx.put(CXFMAPConstants.CLIENT_ADDRESSING_PROPERTIES, implementation);
           ctx.put(CXFMAPConstants.CLIENT_ADDRESSING_PROPERTIES_OUTBOUND, implementation);
        }
        return newMap(implementation);
     }
docs: retrieve the outbound client message address properties attached to a message request map
  @param ctx the client request properties map
  @return