AWS::IoTSiteWise::AssetModel Transform
Contains an asset transform property. A transform is a one-to-one mapping of a property's
data points from one form to another. For example, you can use a transform to convert a
Celsius data stream to Fahrenheit by applying the transformation expression to each data point
of the Celsius stream. A transform can only have a data type of DOUBLE
and
consume properties with data types of INTEGER
or DOUBLE
.
For more information, see Transforms in the AWS IoT SiteWise User Guide.
Syntax
To declare this entity in your AWS CloudFormation template, use the following syntax:
JSON
{ "Expression" :
String
, "Variables" :[ ExpressionVariable, ... ]
}
YAML
Expression:
String
Variables:- ExpressionVariable
Properties
Expression
-
The mathematical expression that defines the transformation function. You can specify up to 10 variables per expression. You can specify up to 10 functions per expression.
For more information, see Quotas in the AWS IoT SiteWise User Guide.
Required: Yes
Type: String
Update requires: No interruption
Variables
-
The list of variables used in the expression.
Required: Yes
Type: Array of ExpressionVariable
Update requires: No interruption