Specify the Protecode SC Group ID where the artifacts should be uploaded to.
Group ID can be found from the Protecode SC service by looking at the URL when browsing an individual group:
https://protecode-sc.mydomain.com/group/1234/
or with Groups API https://protecode-sc.mydomain.com/api/groups/.
Please notice that this value should be a number, not the name or the path to the group.