def by_unified_role_eligibility_schedule_instance_id(self,unified_role_eligibility_schedule_instance_id: str) -> UnifiedRoleEligibilityScheduleInstanceItemRequestBuilder:
        """
        Provides operations to manage the roleEligibilityScheduleInstances property of the microsoft.graph.rbacApplication entity.
        param unified_role_eligibility_schedule_instance_id: The unique identifier of unifiedRoleEligibilityScheduleInstance
        Returns: UnifiedRoleEligibilityScheduleInstanceItemRequestBuilder
        """
        if unified_role_eligibility_schedule_instance_id is None:
            raise TypeError("unified_role_eligibility_schedule_instance_id cannot be null.")
        from .item.unified_role_eligibility_schedule_instance_item_request_builder import UnifiedRoleEligibilityScheduleInstanceItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["unifiedRoleEligibilityScheduleInstance%2Did"] = unified_role_eligibility_schedule_instance_id
        return UnifiedRoleEligibilityScheduleInstanceItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the roleEligibilityScheduleInstances property of the microsoft.graph.rbacApplication entity.
        param unified_role_eligibility_schedule_instance_id: The unique identifier of unifiedRoleEligibilityScheduleInstance
        Returns: UnifiedRoleEligibilityScheduleInstanceItemRequestBuilder
        
msgraph/generated/role_management/directory/role_eligibility_schedule_instances/role_eligibility_schedule_instances_request_builder.py