public void setEndpointId(String endpointId) {
        this.endpointId = endpointId;
    }
<p>
The ID for the virtual private cloud (VPC) subnet.
</p>

@param endpointId
       The ID for the virtual private cloud (VPC) subnet.
aws-java-sdk-globalaccelerator/src/main/java/com/amazonaws/services/globalaccelerator/model/DestinationPortMapping.java