# Constants

#### AdropEvents <a href="#adropevents" id="adropevents"></a>

| Name                  | Value                | Description               |
| --------------------- | -------------------- | ------------------------- |
| `AD_RECEIVED`         | `'adReceived'`       | Ad successfully loaded    |
| `AD_NO_FILL`          | `'adNoFill'`         | No ad available           |
| `AD_IMPRESSION`       | `'adImpression'`     | Ad impression tracked     |
| `AD_CLICKED`          | `'adClicked'`        | Ad clicked by user        |
| `AD_FAILED`           | `'adFailed'`         | Ad failed to load         |
| `AD_BACKFILL_NO_FILL` | `'adBackfillNoFill'` | Backfill ad not available |

#### AdFormat <a href="#adformat" id="adformat"></a>

Ad format returned from API.

```typescript
type AdFormat = 'banner' | 'nativeAd' | 'backfill'
```

#### AdBrowserTarget <a href="#adbrowsertarget" id="adbrowsertarget"></a>

Browser Target returned from API.

```typescript
type AdBrowserTarget = 'external' | 'internal'
```

#### AdType <a href="#adtype" id="adtype"></a>

Ad Type returned from API.

```typescript
type AdType = 'display' | 'video'
```