Sequencer Skeletal Mesh Start_Frame_Offset python syntax

Hi,

can anyone help me with the correct syntax for this command:

unreal.MovieSceneSkeletalAnimationParams

Specifically I want to set the start_frame_offset.

Doc:
https://docs.unrealengine.com/4.26/en-US/PythonAPI/class/MovieSceneSkeletalAnimationParams.html

Thank you,

Adnan Hussain