Metadata Functions

Metadata functions retrieve configuration and descriptive information for data variables, including names, descriptions, data types, engineering units, ranges, and source information.

Function Reference:

Function	Name	Description	Format	Returned Value
tagname	Name	Returns the configured name of a data variable.	`tagname(variable)` variable: Specifies the internal data variable to evaluate.	String
tagdname	Display Name	Returns the configured display name of a data variable.	`tagdname(variable)` variable: Specifies the internal data variable to evaluate.	String
tagdesc	Description	Returns the configured description of a data variable.	`tagdesc(variable)` variable: Specifies the internal data variable to evaluate.	String
tagvaltype	Value Type	Returns the configured value type identifier.	`tagvaltype(variable)` variable: Specifies the internal data variable to evaluate.	Integer
tagtype	Variable Type	Returns the configured variable type identifier.	`tagtype(variable)` variable: Specifies the internal data variable to evaluate.	Integer
tagunits	Engineering Units	Returns the configured engineering units.	`tagunits(variable)` variable: Specifies the internal data variable to evaluate.	String
taghighval	High Range	Returns the configured high range value.	`taghighval(variable)` variable: Specifies the internal data variable to evaluate.	Double
taglowval	Low Range	Returns the configured low range value.	`taglowval(variable)` variable: Specifies the internal data variable to evaluate.	Double
tagsource	Source	Returns the configured source data point name.	`tagsource(variable)` variable: Specifies the internal data variable to evaluate.	String