How can I provide a skeleton mesh asset to python to create an IK rig?

Development Character & Animation
, , , ,
1

my python code is

import unreal
#AssetTools=unreal.AssetTools
assetTools = unreal.AssetToolsHelpers.get_asset_tools()
#assetObject = assetTools.create_asset(mat_name, mat_path, unreal.MaterialInstanceConstant, None)
asset_name="IKRig_a"
package_path="/Game/Python/"
asset_class=unreal.IKRigDefinition
factory=unreal.IKRigDefinitionFactory()
calling_context='None'
assetObject = assetTools.create_asset(asset_name,package_path,asset_class,factory,calling_context)
    
print(assetObject)

LogTemp: Warning: Unable to create IK Rig. No Skeletal Mesh asset supplied.

How can I provide a skeleton mesh asset to python to create an IK rig?