async def get(self,request_configuration: Optional[RequestConfiguration[AccessReviewReviewerItemRequestBuilderGetQueryParameters]] = None) -> Optional[AccessReviewReviewer]:
        """
        Returns the collection of reviewers who were contacted to complete this review. While the reviewers and fallbackReviewers properties of the accessReviewScheduleDefinition might specify group owners or managers as reviewers, contactedReviewers returns their individual identities. Supports $select. Read-only.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[AccessReviewReviewer]
        """
        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.access_review_reviewer import AccessReviewReviewer

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

        Returns the collection of reviewers who were contacted to complete this review. While the reviewers and fallbackReviewers properties of the accessReviewScheduleDefinition might specify group owners or managers as reviewers, contactedReviewers returns their individual identities. Supports $select. Read-only.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[AccessReviewReviewer]
        
msgraph/generated/identity_governance/access_reviews/definitions/item/instances/item/contacted_reviewers/item/access_review_reviewer_item_request_builder.py