This command adds the specified idea group to your country, or the specified country tag. See our idea group ID list for IDs.
add_idea_group [idea group key] [country tag]
|Idea Group Key
|The ID of the idea group you wish to add. See our idea groups list for a list of keys.
|Optional. If this argument is specified, the idea group will be added to this country. If not specified, the idea group will be added to the country you are currently playing as.
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This command would add the Diplomatic Ideas idea group to your current country.
add_idea_group diplomatic_ideas GER
This example is similar to the first, but as we specified Germany's country tag, Germany has the Diplomatic Ideas idea group added to their country.