Country tag for New Zealand is:
NZL
If you want play for New Zealand HOI4 you could use tag command:
tag NZL
To annex New Zealand in HOI4 you could use annex command:
annex NZL
To delete all New Zealand units you could use deleteallunits command:
deleteallunits NZL
To add interests on New Zealand you could use add_interest command:
add_interest NZL
To remove interests on New Zealand you could use remove_interest command:
remove_interest NZL
To start occupation on New Zealand you could use occupationpaint command:
occupationpaint NZL
More country tags for HOI4 or more cheats for Hearts of Iron IV