SignUpWithMFA.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<TrustFrameworkPolicy
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
  xmlns="http://schemas.microsoft.com/online/cpim/schemas/2013/06"
  PolicySchemaVersion="0.3.0.0"
  TenantId="your-tenant.onmicrosoft.com"
  PolicyId="B2C_1A_invite_signup_with_mfa"
  PublicPolicyUri="http://your-tenant.onmicrosoft.com/B2C_1A_invite_signup_with_mfa">

  <BasePolicy>
    <TenantId>your-tenant.onmicrosoft.com</TenantId>
    <PolicyId>B2C_1A_invite_TrustFrameworkExtensions</PolicyId>
  </BasePolicy>

  <RelyingParty>
    <DefaultUserJourney ReferenceId="InviteSignUpWithMFA" />
    <TechnicalProfile Id="PolicyProfile">
      <DisplayName>PolicyProfile</DisplayName>
      <Protocol Name="OpenIdConnect" />

	  <!-- Demo: Input claims & signin key -->
      <CryptographicKeys>
        <Key Id="client_secret" StorageReferenceId="B2C_1A_ClientAssertionSigningKey" />
      </CryptographicKeys>
      <InputClaims>
        <InputClaim ClaimTypeReferenceId="email" PartnerClaimType="ValidatedEmail" />
        <InputClaim ClaimTypeReferenceId="ReadOnlyEmail" PartnerClaimType="ValidatedEmail" />
        <InputClaim ClaimTypeReferenceId="strongAuthenticationPhoneNumber" PartnerClaimType="phoneNumber" />
      </InputClaims>
      <!-- /Demo-->
	  
      <OutputClaims>
        <OutputClaim ClaimTypeReferenceId="displayName" />
        <OutputClaim ClaimTypeReferenceId="givenName" />
        <OutputClaim ClaimTypeReferenceId="surname" />
        <OutputClaim ClaimTypeReferenceId="email" />
        <OutputClaim ClaimTypeReferenceId="objectId" PartnerClaimType="sub"/>
      </OutputClaims>
      <SubjectNamingInfo ClaimType="sub" />
    </TechnicalProfile>
  </RelyingParty>
</TrustFrameworkPolicy>