# TDAssetType Constants Reference

Declared in | TDAdRequestURLBuilder.h

### TDAssetType

The type of asset for the linear ad (The main media in the interstitial)

#### Definition

`typedef NS_ENUM(NSInteger, TDAssetType ) {
kTDAssetTypeNotDefined,
kTDAssetTypeAudio,
kTDAssetTypeVideo,
kTDAssetTypeAudioVideo,
};`

#### Constants

`kTDAssetTypeNotDefined`

  There’s no restriction in the type of asset returned for the ads.

  Declared In `TDAdRequestURLBuilder.h`.

`kTDAssetTypeAudio`

  Ads must be of type audio.

  Declared In `TDAdRequestURLBuilder.h`.

`kTDAssetTypeVideo`

  Ads must be of type video.

  Declared In `TDAdRequestURLBuilder.h`.

`kTDAssetTypeAudioVideo`

  Ads must be of type audio or video

  Declared In `TDAdRequestURLBuilder.h`.

#### Declared In

`TDAdRequestURLBuilder.h`