Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions,
see Getting Started with Amazon Web Services in China
(PDF).
Using built-in actions
Amazon IoT Events supports the following actions that let you use a timer
or set a variable:
Set timer action
- Set timer action
-
The setTimer action lets you create a timer with duration
in seconds.
- More information (2)
-
When you create a timer, you must specify the following
parameters.
timerName-
The name of the timer.
durationExpression-
(Optional) The duration of the timer, in seconds.
The evaluated result of a duration expression is rounded
down to the nearest whole number. For example, if you set
the timer to 60.99 seconds, the evaluated result of the
duration expression is 60 seconds.
For more information, see SetTimerAction in the
Amazon IoT Events API Reference.
Reset timer action
- Reset timer action
-
The resetTimer action lets you set the timer to the
previously evaluated result of the duration expression.
- More information (1)
-
When you reset a timer, you must specify the following
parameter.
timerName-
The name of the timer.
Amazon IoT Events doesn't reevaluate the duration expression when you
reset the timer.
For more information, see ResetTimerAction in the
Amazon IoT Events API Reference.
Clear timer action
- Clear timer action
-
The clearTimer action lets you delete an existing
timer.
- More information (1)
-
When you delete a timer, you must specify the following
parameter.
timerName-
The name of the timer.
For more information, see ClearTimerAction in the
Amazon IoT Events API Reference.
Set variable action
- Set variable action
-
The setVariable action lets you create a variable with a
specified value.
- More information (2)
-
When you create a variable, you must specify the following
parameters.
variableName-
The name of the variable.
value-
The new value of the variable.
For more information, see SetVariableAction in the
Amazon IoT Events API Reference.