Anglicans, Methodists and Roman Catholics all have confirmation services.
Infant baptism means that the baby cannot make a decision to have faith for themselves.
However, a time comes when the child grows up and must make that personal commitment to following Jesus.
When that person decides to make the decision for themselves, they do it at a special service called confirmation.
At confirmation the young person is confirming the promises their parents made for them at their baptism: