def by_unified_role_assignment_id(self,unified_role_assignment_id: str) -> UnifiedRoleAssignmentItemRequestBuilder:
        """
        Provides operations to manage the roleAssignments property of the microsoft.graph.rbacApplication entity.
        param unified_role_assignment_id: The unique identifier of unifiedRoleAssignment
        Returns: UnifiedRoleAssignmentItemRequestBuilder
        """
        if unified_role_assignment_id is None:
            raise TypeError("unified_role_assignment_id cannot be null.")
        from .item.unified_role_assignment_item_request_builder import UnifiedRoleAssignmentItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["unifiedRoleAssignment%2Did"] = unified_role_assignment_id
        return UnifiedRoleAssignmentItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the roleAssignments property of the microsoft.graph.rbacApplication entity.
        param unified_role_assignment_id: The unique identifier of unifiedRoleAssignment
        Returns: UnifiedRoleAssignmentItemRequestBuilder
        
msgraph/generated/role_management/directory/role_assignments/role_assignments_request_builder.py