public void setVpcId(String vpcId) {
        this.vpcId = vpcId;
    }
<p>
If this field is specified, this access point will only allow connections from the specified VPC ID.
</p>

@param vpcId
       If this field is specified, this access point will only allow connections from the specified VPC ID.
aws-java-sdk-s3control/src/main/java/com/amazonaws/services/s3control/model/VpcConfiguration.java