Class Priority (2.12.0)

Recommendation priority levels.

Values: PRIORITY_UNSPECIFIED (0): Recommendation has unspecified priority. P4 (1): Recommendation has P4 priority (lowest priority). P3 (2): Recommendation has P3 priority (second lowest priority). P2 (3): Recommendation has P2 priority (second highest priority). P1 (4): Recommendation has P1 priority (highest priority).