From Minecraft Wiki
Drops all items from all slots onto the ground by one block in the specified direction.
dropall <direction: string>
- direction: string
- Specifies the direction of Agent to drop all the items.
- Must be one of:
forwardto drop items to the front.
backto drop items to the back.
leftto drop items to the left.
rightto drop items to the right.
- Fails if the arguments are not specified correctly or the Agent's inventory was empty.
- On success, returns if all items were dropped onto the ground in the direction specified.