package com.bigcommerce.catalog.models;

import javax.xml.bind.annotation.XmlRootElement;
import java.util.LinkedList;
import java.util.List;

@XmlRootElement
public class CustomFieldResponse {
	private CustomField data;
	private Meta meta = new Meta();

	public CustomField getData() {
		return data;
	}

	public void setData(CustomField data) {
		this.data = data;
	}

	public Meta getMeta() {
		return meta;
	}

	public void setMeta(final Meta meta) {
		this.meta = meta;
	}
}

package com.bigcommerce.catalog.models;

import javax.xml.bind.annotation.XmlRootElement;
import java.util.LinkedList;
import java.util.List;

@XmlRootElement
public class CustomFieldResponse {
	private CustomField data;

	public CustomField getData() {
		return data;
	}

	public void setData(CustomField data) {
		this.data = data;
	}
}

--- 
+++ 
@@ -7,6 +7,7 @@
 @XmlRootElement
 public class CustomFieldResponse {
 	private CustomField data;
+	private Meta meta = new Meta();
 
 	public CustomField getData() {
 		return data;
@@ -15,4 +16,12 @@
 	public void setData(CustomField data) {
 		this.data = data;
 	}
+
+	public Meta getMeta() {
+		return meta;
+	}
+
+	public void setMeta(final Meta meta) {
+		this.meta = meta;
+	}
 }
Add meta field to custom field response
