をきっかけに (wo-kikkake-ni): Prompted by; taking as a starting point
～をきっかけに (wo-kikkake-ni)
Meaning
Prompted by; taking as a starting point
Formation and usage
N + をきっかけに（して）; Vた + ことをきっかけに
Notation: N = noun; V dictionary = dictionary-form verb; V stem = the stem before ます; plain clause = plain-form clause; negative stem = the form before ない. Follow the attachment shown above.
Explanation
An event triggers a new action or change without necessarily being its only cause.
Examples
会議への参加をきっかけに、新しい友人ができた。
Taking part in the meeting led to my making new friends.
試験への参加をきっかけに、新しい友人ができた。
Taking part in the exam led to my making new friends.
研修への参加をきっかけに、新しい友人ができた。
Taking part in the training session led to my making new friends.
発表会への参加をきっかけに、新しい友人ができた。
Taking part in the presentation event led to my making new friends.
面接への参加をきっかけに、新しい友人ができた。
Taking part in the interview led to my making new friends.
How related patterns differ
べく and んがため state purpose in literary language. がてら and かたがた combine purposes, with かたがた more formal. をきっかけに and を契機に trigger change; を皮切りに starts a series, and を経て passes through a process.