Multi-language support

To relay language from the relying party application, see ui_locales of OIDC authentication request specification.

ui_locales

OPTIONAL. End-User's preferred languages and scripts for the user interface, represented as a space-separated list of BCP47 [RFC5646] language tag values, ordered by preference. For instance, the value "fr-CA fr en" represents a preference for French as spoken in Canada, then French (without a region designation), followed by English (without a region designation). An error SHOULD NOT result if some or all of the requested locales are not supported by the OpenID Provider.

For example: https://nonprod.identity.healthsafe id.com/oidc/authorize?scope=openid+email+profile+phone&response_type=code&redirect_ur i=https%3A%2F%2Fdummy.optum.com&client_id=eda-optum-theme-app-web&ui_locales=es