have a hand in
have a finger in
have one's finger in
To have a part in or influence over; to be partly responsible for.
Участвовать в чем-либо; быть частично ответственным за что-либо.
Sue's schoolmates respect her and she has a hand in every important decision made by the Student Council.
Ben had a hand in getting ready the Senior play.
I didn’t have my finger in that event.
Я не участвовала в том событии.