A "presentation ceremony" is an event where someone is given an award, recognition, or a gift in front of an audience. It is a formal occasion where a person is presented with something as a symbol of achievement or appreciation. Full definition
The flexible packaging industry celebrated its top achievements of the year at the 2017 Flexible Packaging Achievement Awards presentation ceremony. (packagingdigest.com)
I haven't attended a single presentation ceremony for her the whole time she's been at school. (housegoeshome.com)
After the game we had a small presentation ceremony where we gave each person a token of our thanks. (southamericatravelblog.com)