Output from maya.api.OpenMaya.MConditionEvent.getConditionNames(), as of Maya 2015
newing
playingBack
recording
deleteAllCondition
timeChangeTemp
SomethingSelected
autoKeyframeState
delete
deleteUndo
deleteRedo
isCurrentRenderLayerChanging
isApplyingMemberOverride
BatchMode
readingFile
ImageUIExists
PolyCoreExists
BaseMayaExists
RenderingExists
AnimationExists
ManipsExists
BaseUIExists
flushingScene
GoButtonEnabled
MayaCreatorExists
ModelExists
SubdivExists
KinematicsExists
DatabaseUIExists
PolygonsExists
PolyTextureExists
DynamicsExists
NurbsExists
DeformersExists
busy
UndoAvailable
RedoAvailable
opening
writingFile
postSceneCallbacks
OpenMayaExists
readingReferenceFile
alwaysWriteReferenced
RenderingUIExists
ExplorerExists
playblasting
DimensionsExists
ClipEditorExists
AnimationUIExists
ModelUIExists
NurbsUIExists
SurfaceUIExists
KinematicsUIExists
SubdivUIExists
DynamicsUIExists
DeformersUIExists
PolygonsUIExists
softSelectOptions
panZoomEnabled
playbackIconsCondition
hotkeyListChange