def METHOD_NAME(self, context):
    self.inputs.new('SvVectorFieldSocket', "Field")
    d = self.inputs.new('SvVerticesSocket', "Vertices")
    d.use_prop = True
    d.default_property = (0.0, 0.0, 0.0)
    self.inputs.new('SvStringsSocket', "Coefficient").prop_name = 'coefficient'
    self.inputs.new('SvStringsSocket', "Iterations").prop_name = 'iterations'
    self.outputs.new('SvVerticesSocket', 'Vertices')