strings/CombinedSignInSignUp.xml

<UserJourneys xmlns="http://schemas.microsoft.com/online/cpim/schemas/2013/06">
    <UserJourney Id="{4}">
        <OrchestrationSteps>
            <OrchestrationStep Order="{0}" Type="CombinedSignInAndSignUp" ContentDefinitionReferenceId="api.signuporsignin">
              <ClaimsProviderSelections>
                <ClaimsProviderSelection TargetClaimsExchangeId="{1}Exchange" />
              </ClaimsProviderSelections>
            </OrchestrationStep>
            <OrchestrationStep Order="{2}" Type="ClaimsExchange">
              <ClaimsExchanges>
                <ClaimsExchange Id="{1}Exchange" TechnicalProfileReferenceId="{3}" />
              </ClaimsExchanges>
            </OrchestrationStep>
        </OrchestrationSteps>
    </UserJourney>
</UserJourneys>