Not all events are in the raw file. However all events in the raw file are either in MatchResults or MatchResultsDetails.
The Raw format roughly follows the scoring system matches.txt output format, described briefly here.
Specific columns contents are:
[00] TournamentCode + Match code: seasonCode-regionCodeTournament. e.g., 1617velv-va-sh for Velocity Vortex, Virginia, Shenandoah tournament
[4..6] [7..9] Team Numbers: Indexes inclusive. Might be 0 if there are only 2 teams in the match.
[29] [43] Number of Beacons Pressed: 0, 1, or 2
[30] [44] Moved Cap Ball: TRUE or FALSE
[31] [45] Balls Scored into CenterVortex
[32] [46] Balls Scored into CornerVortex
[33] [47] Robot1 Parked: 1 (on Center), 2 (Completely on Center), 3 (on Corner Vortex), 4 (Completely on Corner Vortex)
[34] [48] Robot2 Parked: 1 (on Center), 2 (Completely on Center), 3 (on Corner Vortex), 4 (Completely on Corner Vortex)
[35] [49] Beacons scored at end of Teleop: 0 - 4
[36] [50] Balls Scored into CenterVortex
[37] [51] Balls Scored into CornerVortex
[38] [52] Cap Ball Level: 0 (none), 1 (above ground), 2 (high) , 3 (in Center Vortex)
[39] [53] Minor Penalty incurred: 0, 1, 2...
[40] [54] Major Penalty incurred: 0, 1, 2...
[41] [55] Minor Penalty received from the opposing alliance: 0, 1, 2...
[42] [56] Major Penalty received from the opposing alliance: 0, 1, 2...