There's a link in the top right corner, looks like this:
Easiest way to spawn an mp5 kit in a bunker would be to add a line to an existing template in
ObjectSpawnTemplates.con:
ObjectTemplate.create ObjectSpawner heavytankspawner
ObjectTemplate.setObjectTemplate 3 US_MP5
ObjectTemplate.setObjectTemplate 2 M1A1
ObjectTemplate.setObjectTemplate 1 T72
ObjectTemplate.MinSpawnDelay 40
ObjectTemplate.MaxSpawnDelay 60
ObjectTemplate.SpawnDelayAtStart 0
ObjectTemplate.TimeToLive 45
ObjectTemplate.Distance 40
ObjectTemplate.DamageWhenLost 10
and add an extra spawner in
objectspawns.con:
Object.create heavytankspawner
Object.absolutePosition --/--/--
<--bunker position here
Object.rotation 0/0/0
Object.setTeam 3