public void setAuthMethod(String authMethod) {
        this.authMethod = authMethod;
    }
<p>
The authentication method used by the user involved in the finding.
</p>

@param authMethod
       The authentication method used by the user involved in the finding.
aws-java-sdk-guardduty/src/main/java/com/amazonaws/services/guardduty/model/RdsDbUserDetails.java