The on-loan Chelsea winger made two assists as the Gunners reached the Champions League quarterfinals 9-3 on aggregate.
Sterling later said: "It was nice to be out there and contribute to the team.
"I know what I am capable of. You just want to be playing. You are at a top club with top players and you just have to wait for your moment. And that is what I am doing."
Sterling also told TNT Sports: "I am still faithful that I have still got a big part to play.
"You can only control what you can control. I have not had as many minutes as I would have liked but I have had the opportunities.
"It is down to myself to keep knocking at the door. I believe within myself that I have a lot to play here, whether it is 10 minutes, 45 or a start. I just need to be ready and try and help the team as much as possible.
"Yes we are a few points behind (in the Premier League) but there are all different circumstances. I think the boys have done really well and in the last bit of the season to give it a right push."
Arsenal meet Real Madrid in the quarterfinals, though Sterling is suspended for the first-leg after receiving a booking last night.