def custom_security_attribute_definitions(self) -> CustomSecurityAttributeDefinitionsRequestBuilder:
        """
        Provides operations to manage the customSecurityAttributeDefinitions property of the microsoft.graph.directory entity.
        """
        from .custom_security_attribute_definitions.custom_security_attribute_definitions_request_builder import CustomSecurityAttributeDefinitionsRequestBuilder

        return CustomSecurityAttributeDefinitionsRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to manage the customSecurityAttributeDefinitions property of the microsoft.graph.directory entity.
        
msgraph/generated/directory/directory_request_builder.py