Example of Bicep

I am using Bicep to deploy VM in my DevTest lab, and finding it hard to find examples of how to use the template `Microsoft.DevTestLab/labs/artifactsources@2018-09-15` to download artifacts from this public repo.

Anyone have a suggestion of how to fill these values ?

```
resource newart 'Microsoft.DevTestLab/labs/artifactsources@2018-09-15' = {
name:
properties: {
armTemplateFolderPath:
branchRef:
displayName:
folderPath:
securityToken:
sourceType:
status:
uri:
}
}
```