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 # Structure PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct

 Last update: 16.07.2025 

![](https://img.shields.io/badge/language-IDL-blue "IDL")![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 30)

The [DataHistoryVariableMetadataStruct](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct) is used to store the metadata for a variable.

## Members

- [customMetadata](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a5e4dfb223db7287d798efb5b8078a3e2)
- [enumAliases](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1ab0241db307b35f1e5d19adbd2d1f17df)
- [enumValues](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a3388bf5cf3b1f7de69b343b81669e6ff)
- [equation](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a32fdc64aa5113896a4a962a5c3cbaf93)
- [fileName](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1aa624273f5c3fb5af9baa0272caa971e0)
- [format](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a5d2b591cdaa6ce26e344f11ab6e1b76f)
- [geomScript](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a8f89e59faab48afc96e4a0dde2f457c3)
- [isBinary](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a121de67cd4278a5b008d416a2579bcf0)
- [isDesignVar](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a09f46ea4820a3341554e2bad9a052f7e)
- [isInput](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a1f4709d547b2d872fd404f7fc5b6566a)
- [isNumeric](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1ae0822979f6b70670a347c98c67d367b2)
- [lowerBound](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1aa8335d587fd45435098d82f59751071d)
- [name](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a539d4b4f21c4c53505a6c39534fb2c3f)
- [type](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1ab613172a10fa02c2756813e75944536a)
- [units](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a48e1dedfd188d030f71a196434ebaf3b)
- [upperBound](structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct.md#structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1aeda7394339c56c5493cfad15d26b0b3e)

## Public attributes

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a539d4b4f21c4c53505a6c39534fb2c3f"></a>

### Variable name

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 35)

```
BSTR PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::name

```

The name of the variable

**Type**: BSTR

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1ae0822979f6b70670a347c98c67d367b2"></a>

### Variable isNumeric

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 39)

```
boolean PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::isNumeric

```

true if the variable is numeric, false otherwise

**Type**: boolean

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a1f4709d547b2d872fd404f7fc5b6566a"></a>

### Variable isInput

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 43)

```
boolean PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::isInput

```

true if the variable is an input, false otherwise

**Type**: boolean

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a121de67cd4278a5b008d416a2579bcf0"></a>

### Variable isBinary

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 47)

```
boolean PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::isBinary

```

true if file variable is a binary file, false otherwise

**Type**: boolean

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a09f46ea4820a3341554e2bad9a052f7e"></a>

### Variable isDesignVar

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 51)

```
boolean PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::isDesignVar

```

true if the variable is a design variable, false otherwise

**Type**: boolean

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a32fdc64aa5113896a4a962a5c3cbaf93"></a>

### Variable equation

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 55)

```
BSTR PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::equation

```

The equation of the variable

**Type**: BSTR

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a5d2b591cdaa6ce26e344f11ab6e1b76f"></a>

### Variable format

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 59)

```
BSTR PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::format

```

The format of the variable

**Type**: BSTR

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1ab613172a10fa02c2756813e75944536a"></a>

### Variable type

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 63)

```
BSTR PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::type

```

The type of the variable

**Type**: BSTR

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a48e1dedfd188d030f71a196434ebaf3b"></a>

### Variable units

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 67)

```
BSTR PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::units

```

The units of the variable

**Type**: BSTR

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1aa624273f5c3fb5af9baa0272caa971e0"></a>

### Variable fileName

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 71)

```
BSTR PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::fileName

```

The filename of a file variable

**Type**: BSTR

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a8f89e59faab48afc96e4a0dde2f457c3"></a>

### Variable geomScript

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 75)

```
BSTR PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::geomScript

```

The geomScript of the variable

**Type**: BSTR

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a3388bf5cf3b1f7de69b343b81669e6ff"></a>

### Variable enumValues

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 79)

```
BSTR PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::enumValues

```

comma separated list of enumerated values of variable

**Type**: BSTR

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1ab0241db307b35f1e5d19adbd2d1f17df"></a>

### Variable enumAliases

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 83)

```
BSTR PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::enumAliases

```

comma separated list of enumerated aliases of variable

**Type**: BSTR

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1aa8335d587fd45435098d82f59751071d"></a>

### Variable lowerBound

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 87)

```
VARIANT PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::lowerBound

```

The lower bound of the variable

**Type**: VARIANT

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1aeda7394339c56c5493cfad15d26b0b3e"></a>

### Variable upperBound

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 91)

```
VARIANT PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::upperBound

```

The upper bound of the variable

**Type**: VARIANT

<a id="structPHXDATAHISTORYLib_1_1DataHistoryVariableMetadataStruct_1a5e4dfb223db7287d798efb5b8078a3e2"></a>

### Variable customMetadata

![](https://img.shields.io/badge/-public-brightgreen "public")

**Definition**: `LIBS/DataExplorer/PHXDataHistory/PHXDataHistory.odl` (line 95)

```
VARIANT PHXDATAHISTORYLib::DataHistoryVariableMetadataStruct::customMetadata

```

2xN SAFEARRAY of name/value pairs of the custom metadata

**Type**: VARIANT