What is a CLEAR Alert, and when is it issued?

AUSTIN (KXAN) — As law enforcement searched for a missing woman last seen in Austin on Jan. 25, a "CLEAR Alert" was issued from the Texas Department of Public Safety. Camerina Trujilo Perez was last seen around 5 a.m. on Jan. 25 and could be in danger.
But what is a CLEAR Alert and why was it issued?Related: 38-year-old Texas woman missing, may be in dangerAccording to the Texas Department of Public Safety, a CLEAR Alert is a Coordinated Law Enforcement Adult Rescue and was created in 2019