Some confusion about the "group" option

[Your7Maxx]

I tried to generate an ATT&CK Navigator layer file from the threat actor group data in ATT&CK，like this:

But I noticed that the g option does not have a suboption to generate the ATT&CK Navigator layer file！
Can the author give an answer?

[Your7Maxx]

Sorry, I made a mistake, the command in the figure should look like this:python3 dettect.py g -g sample-data/groups.yaml -l,but the result is the same.