# Solution\_Parameter

![](https://3867130239-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LPHXQ1CBjfLUuUW94tN%2F-LPHXSV32c4bM8DFZc3w%2F-LPHXa-uA07tx9TTQo0e%2FSolution_Parameter.png?generation=1540056844605348\&alt=media)

Solution Parameter.

## Inputs

* **filename \[Required]**

  OpenFOAM filename that the values are belong to (e.g.

  blockMeshDict, fvSchemes).
* **values \[Required]**

  new values as a valid OpenFOAM (c++) dictionary.
* **tRange \[Optional]**

  Script variable solutionParam
* **replace \[Optional]**

  Set to True if you want the original dictionary to be replaced

  by new values. Default is False which means the original dictionary

  will be only updated by new values.

## Outputs

* **solutionParam**

  A solution parameter.

[Check Hydra Example Files for Solution Parameter](https://hydrashare.github.io/hydra/index.html?keywords=Butterfly_Solution%20Parameter)