Structure of Mission Files

Hi

Where I can find a documentation about the mission files? How exactly is the structure and which parameters are avaiable? See example below:

Mission file: mpmission.txt
QGC WPL 110
0 1 0 16 0 0 0 0 -35.363262 149.165237 584.000000 1
1 0 0 22 0.000000 0.000000 0.000000 0.000000 -35.361988 149.163753 00.000000 1
2 0 0 16 0.000000 0.000000 0.000000 0.000000 -35.361992 149.163593 00.000000 1
3 0 0 16 0.000000 0.000000 0.000000 0.000000 -35.363812 149.163609 00.000000 1
4 0 0 16 0.000000 0.000000 0.000000 0.000000 -35.363768 149.166055 00.000000 1
5 0 0 16 0.000000 0.000000 0.000000 0.000000 -35.361835 149.166012 00.000000 1
6 0 0 16 0.000000 0.000000 0.000000 0.000000 -35.362150 149.165046 00.000000 1