async def get(self,request_configuration: Optional[RequestConfiguration[RelationItemRequestBuilderGetQueryParameters]] = None) -> Optional[Relation]:
        """
        To indicate which terms are related to the current term as either pinned or reused.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[Relation]
        """
        request_info = self.to_get_request_information(
            request_configuration
        )
        from ...........models.o_data_errors.o_data_error import ODataError

        error_mapping: dict[str, type[ParsableFactory]] = {
            "XXX": ODataError,
        }
        if not self.request_adapter:
            raise Exception("Http core is null") 
        from ...........models.term_store.relation import Relation

        return await self.request_adapter.send_async(request_info, Relation, error_mapping)

        To indicate which terms are related to the current term as either pinned or reused.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[Relation]
        
msgraph/generated/sites/item/term_stores/item/sets/item/children/item/relations/item/relation_item_request_builder.py