Here is a list of all documented variables with links to the class documentation for each member:

accXMS2 : ImuData
accYMS2 : ImuData
accZMS2 : ImuData
frameNumber : MetaData
frameTimeStampUs : MetaData
humidityRelative : OnboardProbes
internalFrameNumber : MetaData
lineNumber : MetaData
lineTimeStampUs : MetaData
pitchDegS : ImuData
returnIndex : MetaData
rollDegS : ImuData
temperatureDegC : OnboardProbes
transmitTimeStampUs : MetaData
triggerCounter : MetaData
yawDegS : ImuData