Player Command

Play 0x2A, client → server.

play · 0x2A · serverbound (client → server)

Entity action for the player (entityId is the player’s own id): start/stop sneaking, leave bed, start/stop sprinting, start/stop horse jump, open vehicle inventory, or start elytra flight. jumpBoost (0-100) is used only for horse jump charge.

Sent by the client, read by the server. Listen for it with client.on("PlayerCommand", (data) => …) on the receiving side.

Fields

Field	Type	Notes
`entityId`	VarInt
`actionId`	VarInt	Enum: `0` leave_bed, `1` start_sprinting, `2` stop_sprinting, `3` start_horse_jump, `4` stop_horse_jump, `5` open_vehicle_inventory, `6` start_elytra_flying.
`jumpBoost`	VarInt

Send it

await client.sendPacket("PlayerCommand", {
  entityId: /* VarInt */,
  actionId: /* VarInt */,
  jumpBoost: /* VarInt */,
});

Field aliases listed under Notes are accepted as alternative keys when writing.

Source: src/Core/Versions/776/Packets/play/serverbound/PlayerCommand.ts