These are from the OpenRTB 2.3 Specifications list, Table 5.3.
| Value | Description |
|---|---|
| 1 | Audio Ad (Auto Play) |
| 2 | Audio Ad (User Initiated) |
| 3 | Expandable (Automatic) |
| 4 | Expandable (User initiated - Click) |
| 5 | Expandable (User initiated - Rollover) |
| 6 | In banner video ad (Auto play) |
| 7 | In banner video ad (User initiated) |
| 8 | Pop (i.e., Over Under or Upon exit) |
| 9 | Provocative or suggestive imagery |
| 10 | Shaky, flashing, flickering, extreme animation, or smileys |
| 11 | Surveys |
| 12 | Text only |
| 13 | User Interactive (i.e. Embedded games) |
| 14 | Windows dialog or alert style |
| 15 | Has audio on/off button |
| 16 | Ad can be skipped (i.e., skip button on preroll video) |