src/Amadeus/Client.php
public function securityAuthenticate()
    {
        $msgName = 'Security_Authenticate';

        return $this->callMessage(
            $msgName,
            new RequestOptions\SecurityAuthenticateOptions(
                $this->authParams
            ),
            [],
            false
        );
    }
public function securityAuthenticate()
    {
        $msgName = 'Security_Authenticate';

        return $this->callMessage(
            $msgName,
            new RequestOptions\SecurityAuthenticateOptions(
                $this->authParams
            ),
            [],
            false
        );
    }
Authenticate.

Authentication Parameters were provided at construction time (authParams)

@return Result
@throws Exception