S>C 0x4C SID_REQUIREDWORK

Message Id:	0x4C
Message Name:	SID_REQUIREDWORK
Direction:	Server to Client
Used By:	Starcraft Original, Starcraft Broodwar Diablo II, Diablo II Lord of Destruction Warcraft III Reign of Chaos, Warcraft III The Frozen Throne
Format:	`(STRING) ExtraWork MPQ Filename`

Remarks

Battle.net requests required work from the Client using this message. See ExtraWork document for more details.

Using C>S 0x33 SID_GETFILETIME with request ID 0x80000006, the client should download the specified MPQ file, extract ExtraWork.dll and call the ExtraWork function inside of it.