Inserts an entity handle at the end of the array.
ETHEntity@ orc = SeekEntity("orc.ent");
ETHEntity@ elf = SeekEntity("elf.ent");
ETHEntityArray soldiers;
soldiers.Insert(orc);
soldiers.Insert(elf);
print(soldiers[0]);
print(soldiers[1]);
Output:
orc.ent elf.ent