build in

US /bɪld ɪn/
UK /bɪld ɪn/
"build in" picture
1.

einbauen, integrieren

to include something as a permanent part of a system, plan, or structure

:
The software has a security feature built in.
Die Software hat eine eingebaute Sicherheitsfunktion.
We need to build in some flexibility into the schedule.
Wir müssen etwas Flexibilität in den Zeitplan einbauen.