How to add units to GEM editor?

[KnightFandragon]

{breed
{behaviour soldier}
{hero}
{skin "jeydon"}
{portrait "Jeydon"}
{icon "jey"}
{icon_priority 2}
{nationality can}
{armors
{body new_armor_j}
{head us_ach}
}
{perks
{"melee" master
}
{"avoidance" master
}
{"pistol" basic
}
{"smg" super
}
{"mgun" super
}
{"rifle" super
}
{"health" "250%"
}
{"power" "200%"
}
{"vision" mp_soldier
}
{"stealth"}
}
{inventory
{item "ammo pistol" 600}
{item "bandage" 10}
{item "mk1 grenade" 2}
{item "n73at grenade" 2}
{item "smoke grenade" 2}
{item "l85a2"}
{in_hands 5}
}
}

That there is an example of one of my modded in soldiers.