Spawn a new creep named Builder1 and store the role in memory as builder.
Game.spawns['Spawn1'].spawnCreep([WORK, CARRY, MOVE], 'Builder1', { memory: { role: 'builder' } });
Spawn a new creep named HarvesterBig with the role harvester.
Game.spawns['Spawn1'].spawnCreep([WORK, WORK, WORK, WORK, CARRY, MOVE, MOVE],
'HarvesterBig',
{ memory: { role: 'harvester' } });