CT_FormatLocalizedString.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="yourtenant.onmicrosoft.com"
  PolicyId="B2C_1A_CT_FormatLocalizedString"
  PublicPolicyUri="http://yourtenant.onmicrosoft.com/B2C_1A_CT_FormatLocalizedString">

  <BasePolicy>
    <TenantId>yourtenant.onmicrosoft.com</TenantId>
    <PolicyId>B2C_1A_TrustFrameworkExtensions</PolicyId>
  </BasePolicy>

  <BuildingBlocks>
    <ClaimsSchema>
      <ClaimType Id="string1">
        <DisplayName>String 1</DisplayName>
        <DataType>string</DataType>
        <UserInputType>TextBox</UserInputType>
      </ClaimType>
      <ClaimType Id="string2">
        <DisplayName>String 2</DisplayName>
        <DataType>string</DataType>
        <UserInputType>TextBox</UserInputType>
      </ClaimType>
      <ClaimType Id="string3">
        <DisplayName>String 3</DisplayName>
        <DataType>string</DataType>
        <UserInputType>TextBox</UserInputType>
      </ClaimType>
      <ClaimType Id="result">
        <DisplayName>The result of this claims transformation (result)</DisplayName>
        <DataType>string</DataType>
        <UserInputType>Readonly</UserInputType>
      </ClaimType>
    </ClaimsSchema>

    <ClaimsTransformations>
      <ClaimsTransformation Id="SetResponseMessage" TransformationMethod="FormatLocalizedString">
        <InputClaims>
          <InputClaim ClaimTypeReferenceId="string1" />
          <InputClaim ClaimTypeReferenceId="string2" />
          <InputClaim ClaimTypeReferenceId="string3" />
        </InputClaims>
        <InputParameters>
          <InputParameter Id="stringFormatId" DataType="string" Value="ResponseMessge_EmailExists" />
        </InputParameters>
        <OutputClaims>
          <OutputClaim ClaimTypeReferenceId="result" TransformationClaimType="outputClaim" />
        </OutputClaims>
      </ClaimsTransformation>
    </ClaimsTransformations>

    <ContentDefinitions>
      <ContentDefinition Id="api.selfasserted">
        <LocalizedResourcesReferences MergeBehavior="Prepend">
          <LocalizedResourcesReference Language="en" LocalizedResourcesReferenceId="api.selfasserted.en" />
          <LocalizedResourcesReference Language="en" LocalizedResourcesReferenceId="api.selfasserted.es" />
        </LocalizedResourcesReferences>
      </ContentDefinition>
    </ContentDefinitions>

    <Localization Enabled="true">
      <!-- <SupportedLanguages DefaultLanguage="en" MergeBehavior="Append">
        <SupportedLanguage>en</SupportedLanguage>
        <SupportedLanguage>es</SupportedLanguage>
      </SupportedLanguages> -->

      <LocalizedResources Id="api.selfasserted.en">
        <LocalizedStrings>
          <LocalizedString ElementType="FormatLocalizedStringTransformationClaimType" StringId="ResponseMessge_EmailExists">Format localized string sample: '{0}', '{1}', {2}</LocalizedString>
        </LocalizedStrings>
      </LocalizedResources>
      <LocalizedResources Id="api.selfasserted.es">
        <LocalizedStrings>
          <LocalizedString ElementType="FormatLocalizedStringTransformationClaimType" StringId="ResponseMessge_EmailExists">Formato de muestra de cadena localizada : '{0}', '{1}', {2}</LocalizedString>
        </LocalizedStrings>
      </LocalizedResources>
    </Localization>
  </BuildingBlocks>

  <ClaimsProviders>
    <ClaimsProvider>
      <DisplayName>Unit tests</DisplayName>
      <TechnicalProfiles>
        <!--Experimental technical profile (first page)-->
        <TechnicalProfile Id="ExperimentalTechnicalProfile">
          <DisplayName>Unit test</DisplayName>
          <Protocol Name="Proprietary" Handler="Web.TPEngine.Providers.SelfAssertedAttributeProvider, Web.TPEngine, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" />
          <Metadata>
            <Item Key="ContentDefinitionReferenceId">api.selfasserted</Item>
          </Metadata>
          <InputClaims>
            <InputClaim ClaimTypeReferenceId="string1" DefaultValue="abc" />
            <InputClaim ClaimTypeReferenceId="string2" DefaultValue="ABC" />
            <InputClaim ClaimTypeReferenceId="string3" DefaultValue="123" />
          </InputClaims>
          <OutputClaims>
            <OutputClaim ClaimTypeReferenceId="string1" Required="true" />
            <OutputClaim ClaimTypeReferenceId="string2" Required="true" />
            <OutputClaim ClaimTypeReferenceId="string3" Required="true" />
          </OutputClaims>
          <OutputClaimsTransformations>
            <OutputClaimsTransformation ReferenceId="SetResponseMessage" />
          </OutputClaimsTransformations>
          <UseTechnicalProfileForSessionManagement ReferenceId="SM-Noop" />
        </TechnicalProfile>

        <!--Result technical profile (last page)-->
        <TechnicalProfile Id="ResultTechnicalProfile">
          <DisplayName>Unit test</DisplayName>
          <Protocol Name="Proprietary" Handler="Web.TPEngine.Providers.SelfAssertedAttributeProvider, Web.TPEngine, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" />
          <Metadata>
            <Item Key="ContentDefinitionReferenceId">api.selfasserted</Item>
          </Metadata>
          <InputClaims>
            <InputClaim ClaimTypeReferenceId="result" />
          </InputClaims>
          <DisplayClaims>
            <DisplayClaim ClaimTypeReferenceId="result" />
          </DisplayClaims>
          <UseTechnicalProfileForSessionManagement ReferenceId="SM-Noop" />
        </TechnicalProfile>
      </TechnicalProfiles>
    </ClaimsProvider>
  </ClaimsProviders>

  <UserJourneys>
    <UserJourney Id="UnitTestJourney">
      <OrchestrationSteps>
        <OrchestrationStep Order="1" Type="ClaimsExchange">
          <ClaimsExchanges>
            <ClaimsExchange Id="ExperimentalTechnicalProfile" TechnicalProfileReferenceId="ExperimentalTechnicalProfile" />
          </ClaimsExchanges>
        </OrchestrationStep>
        <OrchestrationStep Order="2" Type="ClaimsExchange">
          <ClaimsExchanges>
            <ClaimsExchange Id="ResultTechnicalProfile" TechnicalProfileReferenceId="ResultTechnicalProfile" />
          </ClaimsExchanges>
        </OrchestrationStep>
        <OrchestrationStep Order="3" Type="SendClaims" CpimIssuerTechnicalProfileReferenceId="JwtIssuer" />
      </OrchestrationSteps>
    </UserJourney>
  </UserJourneys>

  <RelyingParty>
    <DefaultUserJourney ReferenceId="UnitTestJourney" />
    <TechnicalProfile Id="PolicyProfile">
      <DisplayName>PolicyProfile</DisplayName>
      <Protocol Name="OpenIdConnect" />
      <OutputClaims>
        <OutputClaim ClaimTypeReferenceId="objectId" PartnerClaimType="sub" DefaultValue="1234" />
        <OutputClaim ClaimTypeReferenceId="tenantId" AlwaysUseDefaultValue="true" DefaultValue="{Policy:TenantObjectId}" />

        <!-- Unit test claims-->
        <OutputClaim ClaimTypeReferenceId="string1" />
        <OutputClaim ClaimTypeReferenceId="string2" />
        <OutputClaim ClaimTypeReferenceId="string3" />
        <OutputClaim ClaimTypeReferenceId="result" />
      </OutputClaims>
      <SubjectNamingInfo ClaimType="sub" />
    </TechnicalProfile>
  </RelyingParty>
</TrustFrameworkPolicy>