# Method Global:RegisterPacketEvent [-] [+]

Registers a WorldPacket event handler.

    enum PacketEvents
    {
        PACKET_EVENT_ON_PACKET_RECEIVE          =     5,       // (event, packet, player) - Player only if accessible. Can return false, newPacket
        PACKET_EVENT_ON_PACKET_SEND             =     6,       // (event, packet, player) - Player only if accessible. Can return false

        PACKET_EVENT_COUNT
    };

## Synopsis

`cancel = RegisterPacketEvent( entry, event, function )`

`cancel = RegisterPacketEvent( entry, event, function, shots )`

## Arguments

`number entry`

  Opcode.

  Valid numbers: integers from 0 to 4,294,967,295.

`number event`

  Packet event Id, refer to PacketEvents above.

  Valid numbers: integers from 0 to 4,294,967,295.

`function function`

  Function to register.

`number shots (0)`

  The number of times the function will be called, 0 means "always call this function".

  Valid numbers: integers from 0 to 4,294,967,295.

## Returns

`function cancel`

  A function that cancels the binding when called.

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