triggerphrase
nounUK /ˈtrɪɡə freɪz/
US /ˈtrɪɡər freɪz/
A special word or phrase that makes something happen.
Saying 'open sesame' was the triggerphrase that opened the secret door.
OTHER MEANINGS
2. A phrase that makes a computer program start an action.
The app listens for the triggerphrase 'start recording' before it begins.
3. A phrase that brings back a strong memory or feeling.
For Grandpa, the song was a triggerphrase that reminded him of his childhood.
4. A phrase used to make a game character or toy respond.
The robot only moves when it hears its triggerphrase, 'wake up.'