# TrackInserterPreset

### object

@odata.typestringRequired

The discriminator for derived types.

### baseFilenamestring

Optional <=64 characters pattern: ^[A-Za-z0-9_\-]+$

Used to create the output filename.

- For text tracks: `{BaseFilename}.cmft`, the default being the input .vtt filename minus the extension, e.g. `subtitles.vtt` -> `subtitles.cmft`.
- For audio tracks: `{BaseFilename}.mp4`, the default being the input .mp4 filename, ignored if the audio file is already present in the output asset.

### tracks

list of objects Required 1-1 items

The set of tracks to be inserted. Currently limited to one.

### Show 2 variants Hide 2 variants

Discriminated by `@odata.type`. Select one variant:

# MediaKind.TextTrack

### object [TextTrack](https://docs.mediakind.com/api-reference/media-api/schemas/texttrack)

@odata.typestring Required

The discriminator for derived types.

### displayNamestring

Optional

The display name of the track on a video player. In HLS, this maps to the NAME attribute of EXT-X-MEDIA.

### hlsSettings

object [HlsSettings](https://docs.mediakind.com/api-reference/media-api/schemas/hlssettings) Optional

The HLS specific setting for the track.

### Show 3 properties Hide 3 properties

**characteristics** string Optional

The characteristics for the HLS setting.

**default** boolean Optional Defaults to false

Default track?

**forced** boolean Optional Defaults to false

Forced track?

**languageCodestring** Optional

The RFC5646 language code for the track.

**playerVisibility** enum Optional Defaults to Visible

When PlayerVisibility is set to 'Visible', the track will be present in the DASH manifest or HLS playlist when requested by a client. When the PlayerVisibility is set to 'Hidden', the track will not be available to the client. The default value is 'Visible'.

Allowed values: Visible, Hidden

**trackName** string Required

The name of the track in the manifest.

# MediaKind.AudioTrack

### object [AudioTrack](https://docs.mediakind.com/api-reference/media-api/schemas/audiotrack)

@odata.typestring Required

The discriminator for derived types.

### dashSettings

object [DashSettings](https://docs.mediakind.com/api-reference/media-api/schemas/dashsettings) Optional

The DASH specific setting for the audio track.

### Show 1 property Hide 1 property

**role** string Optional

The role for the DASH setting.

### displayNamestring

Optional

The display name of the audio track on a video player. In HLS, this maps to the NAME attribute of EXT-X-MEDIA.

### hlsSettings

object [HlsSettings](https://docs.mediakind.com/api-reference/media-api/schemas/hlssettings) Optional

The HLS specific setting for the audio track.

### Show 3 properties Hide 3 properties

**characteristics** string Optional

The characteristics for the HLS setting.

**default** boolean Optional Defaults to false

Default track?

**forced** boolean Optional Defaults to false

Forced track?

**languageCodestring** Optional

The RFC5646 language code for the audio track.

**trackName** string Required

The name of the audio track in the manifest.