public String getEndpointId() {
        return this.endpointId;
    }
<p>
The URL subdomain of the endpoint. For example, if <code>EndpointUrl</code> is
<code>https://abcde.veo.endpoints.event.amazonaws.com</code>, then the <code>EndpointId</code> is
<code>abcde.veo</code>.
</p>

@return The URL subdomain of the endpoint. For example, if <code>EndpointUrl</code> is
        <code>https://abcde.veo.endpoints.event.amazonaws.com</code>, then the <code>EndpointId</code> is
        <code>abcde.veo</code>.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsEventsEndpointDetails.java