tie in with
US /taɪ ɪn wɪθ/
UK /taɪ ɪn wɪθ/

1.
to be connected with something else, or to be similar to something else
:
•
His theory doesn't tie in with the latest research.
•
The new policy needs to tie in with our existing goals.
to be connected with something else, or to be similar to something else