code: def send_post(self, mri, method_name, **params):
          
          typ, parameters = convert_to_type_tuple_value(serialize_object(params))
          uri = NTURI(typ[2])
  
          uri = uri.wrap(
              path="%s.%s" % (mri, method_name),
              kws=parameters,
              scheme="pva"
          )
          value = self._ctxt.rpc(mri, uri, timeout=None)
          return convert_value_to_dict(value)
docs: Abstract method to dispatch a Post to the server
  
          Args:
              mri (str): The mri of the Block
              method_name (str): The name of the Method within the Block
              params: The parameters to send
  
          Returns:
              The return results from the server