def by_unified_rbac_resource_namespace_id(self,unified_rbac_resource_namespace_id: str) -> UnifiedRbacResourceNamespaceItemRequestBuilder:
        """
        Provides operations to manage the resourceNamespaces property of the microsoft.graph.rbacApplication entity.
        param unified_rbac_resource_namespace_id: The unique identifier of unifiedRbacResourceNamespace
        Returns: UnifiedRbacResourceNamespaceItemRequestBuilder
        """
        if unified_rbac_resource_namespace_id is None:
            raise TypeError("unified_rbac_resource_namespace_id cannot be null.")
        from .item.unified_rbac_resource_namespace_item_request_builder import UnifiedRbacResourceNamespaceItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["unifiedRbacResourceNamespace%2Did"] = unified_rbac_resource_namespace_id
        return UnifiedRbacResourceNamespaceItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the resourceNamespaces property of the microsoft.graph.rbacApplication entity.
        param unified_rbac_resource_namespace_id: The unique identifier of unifiedRbacResourceNamespace
        Returns: UnifiedRbacResourceNamespaceItemRequestBuilder
        
msgraph/generated/role_management/entitlement_management/resource_namespaces/resource_namespaces_request_builder.py