OptionalcookieOptionalcookieOptionalheaderOptionalignoreSigns the tokens; at least 32 characters.
OptionaltrustedOther origins whose pages may send state-changing requests (e.g. a
frontend on another subdomain), as https://app.example.com. Requests
whose Origin is neither the app's own nor one of these are rejected.
Default
"__Host-csrf"while the cookie is Secure (the default),"_csrf"otherwise.