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 # RAInputVariables

 Last update: 17.07.2025 

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### *class* RAInputVariables

Rocky PrePost Scripting wrapper for the list of parametric input variables.

The input variables correspond to the Variables list on the Input tab of a project’s Expressions/Variables dock. This wrapper can be used to create, remove and list a project’s input variables.

Retrieve the [`RAInputVariables`](#generated.RAInputVariables) through the corresponding [`RAProject`](RAProject.md#generated.RAProject). Example usage:

```python
project = app.GetProject()
input_variables = project.GetInputVariables()

input_variables.CreateVariable('a', value=1)
input_variables.CreateVariable('b', value=2)

input_variables.RemoveVariable('a')

for variable in input_variables:
    variable.SetValue(3)

b = input_variables.GetVariableByName('b')
b.SetValue(4)

```

**Methods:**

NameDescription[`CreateVariable`](#generated.RAInputVariables.CreateVariable)(name\[, value\])Create a new input variable.[`GetVariableByName`](#generated.RAInputVariables.GetVariableByName)(name)Get an existing input variable via its name.[`RemoveVariable`](#generated.RAInputVariables.RemoveVariable)(variable)Remove an input variable.<a id="generated.RAInputVariables.CreateVariable"></a>

#### CreateVariable(name: str, value: float = 0.0)

Create a new input variable. Returns the new variable.

- **Parameters:**
    - **name** – The variable’s name.
    - **value** – The initial value for the variable.

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#### GetVariableByName(name: str)

Get an existing input variable via its name.

- **Parameters:****name** – The input variable’s name.

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#### RemoveVariable(variable: Union\[[RAParametricVar](RAParametricVar.md#generated.RAParametricVar), str\])

Remove an input variable.

- **Parameters:****variable** – Either an instance of RAParametricVar or the name of the variable to remove.