An IBlockPos object represents a position in the game.

It might be required for you to import the package if you encounter any issues, so better be safe than sorry and add the import.
import mods.contenttweaker.BlockPos;

ZenMethod	ZenGetter	Return Type	Description
ZenMethod getX()	ZenGetter x	Return Type int	Description Returns the position's X value
ZenMethod getY()	ZenGetter y	Return Type int	Description Returns the position's Y value
ZenMethod getZ()	ZenGetter z	Return Type int	Description Returns the position's Z value

Returns a new IBlockPos that is offset blocks into the directionName or facing direction.

IBlockPos getOffset(String directionName, int offset);

directionName can take these values:

• "down"
• "up"
• "north"
• "south"
• "east"
• "west"

IBlockPos getOffset(Facing facing, int offset) Parameters:

• Facing facing → The direction
• int offset → how many blocks in that direction?