Set Inventory Slot

Packet ID	Direction
`0x67`	Clientbound

This packet is sent by the client when an inventory slot is updated. See the inventory page for more information.

Clientbound

Field	Type	Description
Window ID	Byte	The incremental ID of the window. Ranges from 0 to 99
Slot	Short	The id of the updated slot. See the inventory page for slot mapping.
Item Id	Short	The id of the new item (`-1` if empty slot)
Item Amount	Byte	The amount of the new item (only sent if id > 0)
Item Meta/Damage	Short	The meta/damage of the new item (only sent if id > 0)

If both the window id and slot id are -1, then the item that’s currently held by the mouse is affected.