Question 021
### What are the possible types of an input variable for a manually triggered workflow? (Select five.)
> https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#onworkflow_dispatchinputs
- [x] choice
- [x] boolean
- [x] string
- [x] number
- [x] environment
- [ ] dropdown
- [ ] select