Question 060
### Which of the following default environment variables contains the name of the person or app that initiated the workflow run?
> https://docs.github.com/en/actions/reference/environment-variables#default-environment-variables
1. [ ] `GITHUB_USER`
1. [ ] `GITHUB_REPOSITORY`
1. [ ] `GITHUB_WORKFLOW`
1. [x] `GITHUB_ACTOR`