GExiv2.Metadata.get_tag_description
Description: Reference for GExiv2.Metadata.get_tag_description

### Function

# GExiv2 Metadataget_tag_description

since: 0.16.0

#### Declaration [src]

    const gchar*
    gexiv2_metadata_get_tag_description (
      const gchar* tag,
      GError** error
    )

#### Description [src]

Get Exiv2’s description for a tag.

The Exiv2 Tag Reference can be found at http://exiv2.org/metadata.html.

Available since: 0.16.0

#### Parameters

`tag`

  Type: `const gchar*`

  An Exiv2 tag.

  The data is owned by the caller of the function.
  The value is a NUL terminated UTF-8 string.

`error`

  Type: `GError **`

  The return location for a recoverable error.

  The argument can be `NULL`.
  If the return location is not `NULL`, then you must initialize it to a `NULL` `GError*`.
  The argument will be left initialized to `NULL` by the function if there are no errors.
  In case of error, the argument will be set to a newly allocated `GError`; the caller will take ownership of the data, and be responsible for freeing it.

#### Return value

Type: `const gchar*`

The tag’s description.

The data is owned by the called function.
The return value can be `NULL`.
The value is a NUL terminated UTF-8 string.