issuer

OIDC: REQUIRED. Issuer Identifier for the Issuer of the response. The iss value is a case sensitive URL using the https scheme that contains scheme, host, and optionally, port number and path components and no query or fragment components.

OIDC SIOPv2: REQUIRED. in case of a Self-Issued ID Token, this claim MUST be set to the value of the sub claim in the same ID Token.