Pile is defined together with raft foundation without rafters. Firstly, rafterless raft foundation is defined in the system and then piles are placed.
The radius and height of the piles can be entered from the auxiliary toolbar while defining the pile. After the pile is placed, the geometric properties of the pile foundation can be changed by entering the object properties.
Location of Pile Command
You can access it under the Concrete tab Foundation title in the ribbon menu.