OptionalcodeThe condition's name, for a custom alert.
Which threshold the reading crossed.
OptionalrateThe change since the previous sample, for a changing-fast alert.
OptionalreadingThe offending reading, for an out-of-range or invalid-reading alert.
OptionalsamplesThe estimated samples until empty, for a running-out alert.
OptionalvalueThe measurement behind the condition, for a custom alert.
An alert a reading raised. Only the field belonging to
kindis set.