cms_thermo_active/Step.Config/Config/customerContactConfigValidator.xsd

<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="assistanceConfig">
  <xs:complexType>
  <xs:all>
      <xs:element name="email" minOccurs='1' maxOccurs='1'/>
      <xs:element name="name" minOccurs='1' maxOccurs='1'/>
      <xs:element name="phoneNumber" minOccurs='1' maxOccurs='1'/>
   </xs:all>
  </xs:complexType>
  </xs:element>
  </xs:schema>