public AuthenticationMethod getAuthenticationMethod() {
        return this.authenticationMethod;
    }
<p>
Specifies a structure that describes the authentication method to add or update. The structure type you provide
is determined by the <code>AuthenticationMethodType</code> parameter.
</p>

@return Specifies a structure that describes the authentication method to add or update. The structure type you
        provide is determined by the <code>AuthenticationMethodType</code> parameter.
aws-java-sdk-ssoadmin/src/main/java/com/amazonaws/services/ssoadmin/model/PutApplicationAuthenticationMethodRequest.java