Assuming minicustomfield is required, the following result was found.
{ l_NewCustomFields.add(m_CustomField); } } // add custom field payment mode m_MiniCustomField = Map(); m_MiniCustomField.put("api_name","cf_payment_method"); m_MiniCustomField.put("value",v_PaymentMode); l_NewCustomFields.add(m_MiniCustomField); // //...