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 # DataHistoryVariableMetadataStruct

 Last update: 30.07.2026 

public class [DataHistoryVariableMetadataStruct](index.md)

This object is used to pass variable metadata to the addVariableStructs function for data history, which sets the results for a run. This class is referenced by the [DataHistoryVariableStruct](./../-data-history-variable-struct/index.md) object. For more information see [addVariableStructs](./../-data-history/add-variable-structs.md).

#### See also

[DataHistoryVariableStruct](./../-data-history-variable-struct/index.md)## Constructors

[DataHistoryVariableMetadataStruct](-data-history-variable-metadata-struct.md)constructor()## Properties

NameSummary[customMetadata](custom-metadata.md)open var [customMetadata](custom-metadata.md): [Map](https://docs.oracle.com/javase/8/docs/api/java/util/Map.html)<[String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html), [String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html)>  
Map of name/value pairs representing each piece of custom metadata[enumAliases](enum-aliases.md)open var [enumAliases](enum-aliases.md): [String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html)  
comma separated list of enumerated aliases of variable[enumValues](enum-values.md)open var [enumValues](enum-values.md): [String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html)  
comma separated list of enumerated values of variable[equation](equation.md)open var [equation](equation.md): [String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html)  
The equation of the variable[fileName](file-name.md)open var [fileName](file-name.md): [String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html)  
The filename of a file variable[format](format.md)open var [format](format.md): [String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html)  
The format of the variable[geomScript](geom-script.md)open var [geomScript](geom-script.md): [String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html)  
The geomScript of the variable[isBinary](is-binary.md)open var [isBinary](is-binary.md): [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)  
true if file variable is a binary file, false otherwise[isDesignVar](is-design-var.md)open var [isDesignVar](is-design-var.md): [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)  
true if the variable is a design variable, false otherwise[isInput](is-input.md)open var [isInput](is-input.md): [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)  
true if the variable is an input, false otherwise[isNumeric](is-numeric.md)open var [isNumeric](is-numeric.md): [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)  
true if the variable is numeric, false otherwise[lowerBound](lower-bound.md)open var [lowerBound](lower-bound.md): [Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)  
The lower bound of the variable[name](name.md)open var [name](name.md): [String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html)  
The name of the variable[type](type.md)open var [type](type.md): [String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html)  
The type of the variable[units](units.md)open var [units](units.md): [String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html)  
The units of the variable[upperBound](upper-bound.md)open var [upperBound](upper-bound.md): [Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)  
The upper bound of the variable## Functions

NameSummary[getCustomMetadataNames](get-custom-metadata-names.md)public [getCustomMetadataNames](get-custom-metadata-names.md)(): [Array](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html)<[String](https://docs.oracle.com/javase/8/docs/api/java/lang/String.html)>  
Gets an array of the names of the custom metadata fields.