This console command will give you a soldier from each Faction in the War of the Chosen. The three Factions are Reaper, Skirmisher, and Templar.
The syntax for the GiveFactionSoldiers command is as follows:
givefactionsoldiers Avenger War of the Chosen
Find below working examples of the GiveFactionSoldiers command.
This is the only way the GiveFactionSoldiers console command can be used. It will give you 3 soliders, each from a different faction (Templar, Reaper, and Skirmisher).