def by_managed_e_book_assignment_id(self,managed_e_book_assignment_id: str) -> ManagedEBookAssignmentItemRequestBuilder:
        """
        Provides operations to manage the assignments property of the microsoft.graph.managedEBook entity.
        param managed_e_book_assignment_id: The unique identifier of managedEBookAssignment
        Returns: ManagedEBookAssignmentItemRequestBuilder
        """
        if managed_e_book_assignment_id is None:
            raise TypeError("managed_e_book_assignment_id cannot be null.")
        from .item.managed_e_book_assignment_item_request_builder import ManagedEBookAssignmentItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["managedEBookAssignment%2Did"] = managed_e_book_assignment_id
        return ManagedEBookAssignmentItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the assignments property of the microsoft.graph.managedEBook entity.
        param managed_e_book_assignment_id: The unique identifier of managedEBookAssignment
        Returns: ManagedEBookAssignmentItemRequestBuilder
        
msgraph/generated/device_app_management/managed_e_books/item/assignments/assignments_request_builder.py