The default language of the mod is the english, but you can translate the messages sent using the configuration file. The configuration file can be found at [server-directory]/config/factionmod/configuration.cfg. Open the file and find the language section. Modify the displayed messages as you want.

The default language category can be found here, every keys are listed. If you think that your translation is good enough to be shared, then create a PR to add it to the sources.

More informations will be added in the future