---
title: Metadata Attribute Schema Description Keys
framework: coreservices
role: collectionGroup
role_heading: API Collection
path: coreservices/file_metadata/mdschema/metadata_attribute_schema_description_keys
---

# Metadata Attribute Schema Description Keys

Specify the schema of a metadata attribute key.

## Overview

Overview These keys are in the dictionary returned by the function MDSchemaCopyMetaAttributesForAttribute.

## Topics

### Constants

- [kMDAttributeName](coreservices/kmdattributename.md)
- [kMDAttributeType](coreservices/kmdattributetype.md)
- [kMDAttributeMultiValued](coreservices/kmdattributemultivalued.md)