However, Coutinho played down his debut goal and said it was more important that the had another shot of silverware.
"I am very happy, first months that I arrived and to be able to play a final,” Coutinho said.
"I was looking for the goal, the most important thing is that the team won."
GETTY
Coutinho converted Suarez's cross for his first goal.
Coutinho reveals the reason behind transfer to Barcelona
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Coutinho moved to Barcelona for £142million in January.
However, boss Ernesto Valverde took a number of weeks to integrate him into the squad.
But now he seems fully up to speed and linked up well with Lionel Messi and Suarez.