addTlsCheckListener(handler:)
Event fired when TLS checks fail, to give client the chance to override
func addTlsCheckListener(handler: @escaping @Sendable (String, Array<String>) -> Bool) -> Int32
Parameters
handler
takes two arguments, the PEM of the cert and an array of DNS names, and must return true to accept or false to reject
Return Value
token for use with removeEventListener