Production and building

Train units, research technology, place buildings, and cancel a queued item.

Find a production command

Task	Call
Train units	TrainUnit
Research	ResearchTechnology
Place a building	UnitsBuildStructure
Set a rally point	SetGatherPoint
Cancel one queued item	CancelProduction

Each ordinary call returns queue admission as a boolean. A listed Tracked form takes the same inputs and returns accepted, receipt; see Command receipts for lifecycle and cleanup. Use named UnitObjectType and Technology values from the enum index when available.