How from Gitlab inject parameter to testcafe commandline

For example I have command '- /opt/testcafe/docker/testcafe-docker.sh chromium:headless tests/ -F "Smoke*" --skip-js-errors' But I want to set in Gitlab variable which kind of test to run (Smoke, regression or just test name instead hardcoded command -F "Smoke*") and testcafe get this variable to run tests . How to do this? Thank you in advance