---
title: "CMMetadataDataTypeRegistryGetDataTypeDescription(_:)"
framework: coremedia
role: symbol
role_heading: Function
path: "coremedia/cmmetadatadatatyperegistrygetdatatypedescription(_:)"
---

# CMMetadataDataTypeRegistryGetDataTypeDescription(_:)

Returns the data type description if it exists.

## Declaration

```swift
func CMMetadataDataTypeRegistryGetDataTypeDescription(_ dataType: CFString) -> CFString
```

## Parameters

- `dataType`: Identifier of the data type to be queried.

## Return Value

Return Value The description of the requested data type.

## See Also

### Inspecting Metadata

- [CMMetadataDataTypeRegistryDataTypeIsRegistered(_:)](coremedia/cmmetadatadatatyperegistrydatatypeisregistered(_:).md)
- [CMMetadataDataTypeRegistryGetConformingDataTypes(_:)](coremedia/cmmetadatadatatyperegistrygetconformingdatatypes(_:).md)
- [CMMetadataDataTypeRegistryDataTypeConformsToDataType(_:conformsTo:)](coremedia/cmmetadatadatatyperegistrydatatypeconformstodatatype(_:conformsto:).md)
- [CMMetadataDataTypeRegistryDataTypeIsBaseDataType(_:)](coremedia/cmmetadatadatatyperegistrydatatypeisbasedatatype(_:).md)
- [CMMetadataDataTypeRegistryGetBaseDataTypeForConformingDataType(_:)](coremedia/cmmetadatadatatyperegistrygetbasedatatypeforconformingdatatype(_:).md)
- [CMMetadataDataTypeRegistryGetBaseDataTypes()](coremedia/cmmetadatadatatyperegistrygetbasedatatypes().md)