German phrase
Ich bin einverstanden, wenn ~.
Meaning
I'm okay with it if ___
When to use it
It shows conditional consent. Use it to accept something only under a stated condition.
Example dialogue
Ich bin einverstanden, wenn du mir hilfst.
I'm okay with it if you help me.
Klar, ich helfe dir gern.
Sure, I'd be happy to help you.