The possible type of unit of measure.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v26/enums/unit_of_measure.proto)

| Enums ||
|---|---|
| ## `ACQUISITIONS` | Acquisitions as unit of measure. |
| ## `AUDIO_PLAYS` | Audio plays as unit of measure. |
| ## `CLICKS` | Clicks as unit of measure. |
| ## `DAYS` | Days as unit of measure. |
| ## `ENGAGEMENTS` | Engagements as unit of measure. |
| ## `GUEST_STAYS` | Guest stays as unit of measure. |
| ## `HOURS` | Hours as unit of measure. |
| ## `IMPRESSIONS` | Impressions as unit of measure. |
| ## `LEADS` | Leads as unit of measure. |
| ## `PHONE_CALLS` | Phone calls as unit of measure. |
| ## `SECONDS` | Seconds as unit of measure. |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |
| ## `VIDEO_PLAYS` | Video plays as unit of measure. |