Packet Play Client Held Item Change

Version	ID
1.8.X	0x09
1.9	0x37
1.12	0x39
1.12.1	0x3A
1.13.1	0x3D

1.13.2

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x3D	Play	Client	Slot	Byte	The slot which the player has selected (0–8)

1.13.1

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x3D	Play	Client	Slot	Byte	The slot which the player has selected (0–8)

1.12.2

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x3A	Play	Client	Slot	Byte	The slot which the player has selected (0–8)

1.12.1

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x3A	Play	Client	Slot	Byte	The slot which the player has selected (0–8)

1.12

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x39	Play	Client	Slot	Byte	The slot which the player has selected (0–8)

1.11.X

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x37	Play	Client	Slot	Byte	The slot which the player has selected (0–8)

1.11

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x37	Play	Client	Slot	Byte	The slot which the player has selected (0–8)

1.11

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x37	Play	Client	Slot	Byte	The slot which the player has selected (0–8)

1.10

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x37	Play	Client	Slot	Byte	The slot which the player has selected (0–8)

1.9.3

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x37	Play	Client	Slot	Byte	The slot which the player has selected (0–8)

1.9.2

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x37	Play	Client	Slot	Byte	The slot which the player has selected (0–8)

1.9

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x37	Play	Client	Slot	Byte	The slot which the player has selected (0–8)

1.8.X

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x09	Play	Client	Slot	Byte	The slot which the player has selected (0–8)