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 # `ExpressionProperty`

 Last update: 09.03.2026 

<a id="ansys.mechanical.stubs.v261.Ansys.ACT.Mechanical.AdditionalProperties.ExpressionProperty"></a>

#### *class* Ansys.ACT.Mechanical.AdditionalProperties.ExpressionProperty

Bases: [`object`](https://docs.python.org/3/library/functions.html#object)

Provides a way to create properties that can hold expressions.

<a id="overview"></a>

## Overview

### Properties

NameDescription[`DisplayName`](#ExpressionProperty.DisplayName)The name of the property shown in the UI. If not set, the Name property is used.[`GroupName`](#ExpressionProperty.GroupName)The group name of the property shown in the UI, and used to separate properties based on group name.[`Name`](#ExpressionProperty.Name)The name of the property.[`ReadOnly`](#ExpressionProperty.ReadOnly)Returns whether a property is readonly.[`Tooltip`](#ExpressionProperty.Tooltip)The tooltip of the property in the UI.[`Value`](#ExpressionProperty.Value)The stored value of the property.[`ValueString`](#ExpressionProperty.ValueString)Get the string representation of the value.<a id="property-detail"></a>

## Property detail

<a id="ExpressionProperty.DisplayName"></a>

### *property* ExpressionProperty.DisplayName *: [str](https://docs.python.org/3/library/stdtypes.html#str) | [None](https://docs.python.org/3/library/constants.html#None)*

The name of the property shown in the UI. If not set, the Name property is used.

<a id="ExpressionProperty.GroupName"></a>

### *property* ExpressionProperty.GroupName *: [str](https://docs.python.org/3/library/stdtypes.html#str) | [None](https://docs.python.org/3/library/constants.html#None)*

The group name of the property shown in the UI, and used to separate properties based on group name.

<a id="ExpressionProperty.Name"></a>

### *property* ExpressionProperty.Name *: [str](https://docs.python.org/3/library/stdtypes.html#str) | [None](https://docs.python.org/3/library/constants.html#None)*

The name of the property.

<a id="ExpressionProperty.ReadOnly"></a>

### *property* ExpressionProperty.ReadOnly *: [bool](https://docs.python.org/3/library/functions.html#bool) | [None](https://docs.python.org/3/library/constants.html#None)*

Returns whether a property is readonly.

<a id="ExpressionProperty.Tooltip"></a>

### *property* ExpressionProperty.Tooltip *: [str](https://docs.python.org/3/library/stdtypes.html#str) | [None](https://docs.python.org/3/library/constants.html#None)*

The tooltip of the property in the UI.

<a id="ExpressionProperty.Value"></a>

### *property* ExpressionProperty.Value *: Any | [None](https://docs.python.org/3/library/constants.html#None)*

The stored value of the property.

<a id="ExpressionProperty.ValueString"></a>

### *property* ExpressionProperty.ValueString *: [str](https://docs.python.org/3/library/stdtypes.html#str) | [None](https://docs.python.org/3/library/constants.html#None)*

Get the string representation of the value.