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 # SourceAmbientUniform – Creating an ambient source uniform

 Last update: 09.03.2026 

The following script sample shows you an example on how to create a Uniform Ambient Source.

```ironpython
uniformSource = SpeosSim.SourceAmbientUniform.Create()
uniformSource.ZenithDirection.Set(GetRootPart().CoordinateSystems[0].Axes[1])
uniformSource.SpectrumType = SpeosSim.SourceAmbientUniform.EnumSpectrumType.LibrarySpectrum
uniformSource.SpectrumValueLibrary = ".\\SPEOS input files\\Sky.spectrum"

```