The phrase "act as a trigger for" is correct and usable in written English.
You can use it to describe something that initiates or causes a particular response or action.
Example: "The sudden loud noise can act as a trigger for anxiety in some individuals."
Alternatives: "serve as a catalyst for" or "initiate a response to".
Analysts do not believe he is preparing a bid, but his move may act as a trigger for others.
She suggests that the exhibition should act as a trigger for the visitor: the aim is to pique interest that will inspire further digging.
Frost or ice forms on the cooled sensor before it does on the bridge deck itself, so the cooled sensor can act as a trigger for the sprayers.
But Rudd herself said the Paris agreement would act as a trigger for investors to come forward and build new low-carbon infrastructure.
The report said that it was theoretically possible that in some toddlers the vaccine, or other vaccines, could act as a trigger for autism but that this problem, if it existed, would be extremely rare.
The credit line might turn out to be "virtual", the senior official said, and simply act as a trigger for European Central Bank (ECB) intervention to push borrowing costs down.
Observers say that while the Israeli assault has acted as a trigger for frustrations to surface the true cause of the violence is not to be found in Gaza but in France's own integration failures.
Nor even the fact of Mohammed Bouazizi's self-immolation in the central Tunisian town of Sidi Bouzid, which acted as a trigger for all the events that have unfolded.
The inhibition of PI3K/Akt/mTOR cell survival signaling acts as a trigger for the hypoxia induced Autophagy.
Furthermore, they recognized the opportunities that creating an inter-university working group presented for developing a project that ultimately acted as a trigger for starting a reflection process on how to improve university teaching.
Indeed, such extra demand is clearly welcome particularly in the current period of global crisis where it acts as a trigger for production and trade from more steady economies (EU see the recent example of Germany—and the US in particular) [50]; an uncertain scenario looms over India.
