How to use the oommfc.util.setup_scalar_parameter function in oommfc

mif = '# Exchange6Ngbr\n'
            mif += 'Specify Oxs_Exchange6Ngbr {\n'
            mif += f'  default_A {default_value}\n'
            mif += '  atlas :main_atlas\n'
            mif += '  A {\n'
            for key, value in self.A.items():
                if key != 'default':
                    if ':' in key:
                        region1, region2 = key.split(':')
                    else:
                        region1, region2 = key, key
                    mif += f'    {region1} {region2} {value}\n'
            mif += '  }\n'
            mif += '}\n\n'
        elif isinstance(self.A, df.Field):
            Amif, Aname = ou.setup_scalar_parameter(self.A, 'ex_A')
            mif = Amif
            mif += '# ExchangePtwise\n'
            mif += 'Specify Oxs_ExchangePtwise {\n'
            mif += f'  A {Aname}\n'
            mif += '}\n\n'

        return mif

def _script(self):
        k1mif, k1name = ou.setup_scalar_parameter(self.K1, 'ua_K1')
        umif, uname = ou.setup_vector_parameter(self.u, 'ua_u')

        mif = ''
        mif += k1mif
        mif += umif
        mif += '# UniaxialAnisotropy\n'
        mif += 'Specify Oxs_UniaxialAnisotropy {\n'
        mif += f'  K1 {k1name}\n'
        mif += f'  axis {uname}\n'
        mif += '}\n\n'

        return mif

def _script(self):
        k1mif, k1name = ou.setup_scalar_parameter(self.K1, 'ca_K1')
        u1mif, u1name = ou.setup_vector_parameter(self.u1, 'ca_u1')
        u2mif, u2name = ou.setup_vector_parameter(self.u2, 'ca_u2')

        mif = ''
        mif += k1mif
        mif += u1mif
        mif += u2mif
        mif += '# CubicAnisotropy\n'
        mif += 'Specify Oxs_CubicAnisotropy {\n'
        mif += f'  K1 {k1name}\n'
        mif += f'  axis1 {u1name}\n'
        mif += f'  axis2 {u2name}\n'
        mif += '}\n\n'

        return mif