signInProvider property
The ID of the provider used to sign in the user.
One of "anonymous", "password", "facebook.com", "github.com",
"google.com", "twitter.com", "apple.com", "microsoft.com",
"yahoo.com", "phone", "playgames.google.com", "gc.apple.com",
or "custom".
Additional Identity Platform provider IDs include "linkedin.com",
OIDC and SAML identity providers prefixed with "saml." and "oidc."
respectively.
Implementation
String signInProvider;