YahooClaimProvider.xml

<ClaimsProvider>
    <!-- The following Domain element allows this profile to be used if the request comes with domain_hint 
         query string parameter, e.g. domain_hint=facebook.com  -->
    <Domain>yahoo.co.jp</Domain>
    <DisplayName>Yahoo! Japan</DisplayName>
    <TechnicalProfiles>
        <TechnicalProfile Id="Yahoo-OIDCv2">
            <!-- The text in the following DisplayName element is shown to the user on the claims provider 
             selection screen. -->
            <DisplayName>Yahoo!</DisplayName>
            <Protocol Name="OAuth2" />
            <Metadata>
                <Item Key="ProviderName">yahoo</Item>
                <Item Key="authorization_endpoint">https://auth.login.yahoo.co.jp/yconnect/v2/authorization</Item>
                <Item Key="AccessTokenEndpoint">https://auth.login.yahoo.co.jp/yconnect/v2/token</Item>
                <Item Key="ClaimsEndpoint">https://userinfo.yahooapis.jp/yconnect/v2/attribute</Item>
                <Item Key="response_types">code</Item>
                <Item Key="scope">openid profile email</Item>
                <Item Key="HttpBinding">POST</Item>
                <Item Key="client_id">xxxxxxxxxxxxxxxxxxxx</Item>
            </Metadata>
            <CryptographicKeys>
                <Key Id="client_secret" StorageReferenceId="B2C_1A_YahooAppSecret" />
            </CryptographicKeys>
            <InputClaims />
            <OutputClaims>
                <OutputClaim ClaimTypeReferenceId="identityProvider" DefaultValue="yahoo.co.jp" />
                <OutputClaim ClaimTypeReferenceId="authenticationSource" DefaultValue="socialIdpAuthentication" />
                <OutputClaim ClaimTypeReferenceId="issuerUserId" PartnerClaimType="sub" />
                <OutputClaim ClaimTypeReferenceId="displayName" PartnerClaimType="name" />
                <OutputClaim ClaimTypeReferenceId="email" />
            </OutputClaims>
            <OutputClaimsTransformations>
                <OutputClaimsTransformation ReferenceId="CreateRandomUPNUserName" />
                <OutputClaimsTransformation ReferenceId="CreateUserPrincipalName" />
                <OutputClaimsTransformation ReferenceId="CreateAlternativeSecurityId" />
                <OutputClaimsTransformation ReferenceId="CreateSubjectClaimFromAlternativeSecurityId" />
            </OutputClaimsTransformations>
            <UseTechnicalProfileForSessionManagement ReferenceId="SM-SocialLogin" />
        </TechnicalProfile>
    </TechnicalProfiles>
</ClaimsProvider>