def METHOD_NAME(self, context):
    self.inputs.new('SvVerticesSocket', 'Verts')
    self.inputs.new('SvStringsSocket', 'Faces')
    self.inputs.new('SvStringsSocket', 'Face mask')
    self.outputs.new('SvVerticesSocket', 'Verts')
    self.outputs.new('SvStringsSocket', 'Faces')