The type of URL visits metric.

| Enums ||
|---|---|
| `URL_VISITS_METRIC_UNSPECIFIED` | Unspecified URL visits metric. Defaults to URL_VISITS_METRIC_TOTAL_SUSPICIOUS_URL_VISITS. |
| `URL_VISITS_METRIC_TOTAL_SUSPICIOUS_URL_VISITS` | The total number of suspicious URL visits. This is the sum of the high_risk_url_visits, medium_risk_url_visits, and low_risk_url_visits. |
| `URL_VISITS_METRIC_HIGH_RISK_URL_VISITS` | The number of suspicious URL visits with high risk. |
| `URL_VISITS_METRIC_MEDIUM_RISK_URL_VISITS` | The number of suspicious URL visits with medium risk. |
| `URL_VISITS_METRIC_LOW_RISK_URL_VISITS` | The number of suspicious URL visits with low risk. |