diff --git a/BUILD b/BUILD
index 6f374a1..36dc20a 100644
--- a/BUILD
+++ b/BUILD
@@ -1,6 +1,7 @@
 genrule(
     name = "all",
     srcs = [
+        "//example-changeOperator",
         "//example-simpleSshCommand",
         "//example-sshCommandAlias",
         "//example-topMenu",
diff --git a/example-changeOperator/.buckconfig b/example-changeOperator/.buckconfig
new file mode 100644
index 0000000..0971b8a
--- /dev/null
+++ b/example-changeOperator/.buckconfig
@@ -0,0 +1,15 @@
+[alias]
+  plugin = //:example-changeOperator
+
+[java]
+  src_roots = java, resources
+  source_level = 8
+  target_level = 8
+
+[project]
+  ignore = .git
+
+[cache]
+  mode = dir
+  dir = buck-out/cache
+
diff --git a/example-changeOperator/.gitignore b/example-changeOperator/.gitignore
new file mode 100644
index 0000000..db1c934
--- /dev/null
+++ b/example-changeOperator/.gitignore
@@ -0,0 +1,8 @@
+/target
+/.classpath
+/.settings
+/.project
+/.buckd
+/buck-cache
+/buck-out
+*.iml
diff --git a/example-changeOperator/BUCK b/example-changeOperator/BUCK
new file mode 100644
index 0000000..1a77256
--- /dev/null
+++ b/example-changeOperator/BUCK
@@ -0,0 +1,18 @@
+include_defs('//bucklets/gerrit_plugin.bucklet')
+
+gerrit_plugin(
+  name = 'example-changeOperator',
+  srcs = glob(['src/main/java/**/*.java']),
+  resources = glob(['src/main/**/*']),
+  manifest_entries = [
+    'Gerrit-PluginName: example-changeOperator',
+    'Gerrit-Module: com.googlesource.gerrit.plugins.examples.changeoperator.Module',
+    'Implementation-Title: Example changeOperator',
+    'Implementation-URL: https://gerrit-review.googlesource.com/#/admin/projects/plugins/examples',
+  ],
+)
+
+java_library(
+  name = 'classpath',
+  deps = [':example-changeOperator__plugin'],
+)
diff --git a/example-changeOperator/BUILD b/example-changeOperator/BUILD
new file mode 100644
index 0000000..9e74e6c
--- /dev/null
+++ b/example-changeOperator/BUILD
@@ -0,0 +1,12 @@
+load("//tools/bzl:plugin.bzl", "gerrit_plugin")
+
+gerrit_plugin(
+    name = "example-changeOperator",
+    srcs = glob(["src/main/java/**/*.java"]),
+    manifest_entries = [
+        "Gerrit-PluginName: example-changeOperator",
+        "Gerrit-Module: com.googlesource.gerrit.plugins.examples.changeoperator.Module",
+        "Implementation-Title: Example Change Operator",
+    ],
+    resources = glob(["src/main/resources/**/*"]),
+)
diff --git a/example-changeOperator/LICENSE b/example-changeOperator/LICENSE
new file mode 100644
index 0000000..11069ed
--- /dev/null
+++ b/example-changeOperator/LICENSE
@@ -0,0 +1,201 @@
+                              Apache License
+                        Version 2.0, January 2004
+                     http://www.apache.org/licenses/
+
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+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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diff --git a/example-changeOperator/WORKSPACE b/example-changeOperator/WORKSPACE
new file mode 100644
index 0000000..1a0c803
--- /dev/null
+++ b/example-changeOperator/WORKSPACE
@@ -0,0 +1,26 @@
+workspace(name = "changeOperator")
+
+load("//:bazlets.bzl", "load_bazlets")
+
+load_bazlets(
+    commit = "0f87babe07a555425d829c6e7951e296e9e24579",
+    #    local_path = "/home/<user>/projects/bazlets",
+)
+
+# Release Plugin API
+load(
+    "@com_googlesource_gerrit_bazlets//:gerrit_api.bzl",
+    "gerrit_api",
+)
+
+# Snapshot Plugin API
+#load(
+#    "@com_googlesource_gerrit_bazlets//:gerrit_api_maven_local.bzl",
+#    "gerrit_api_maven_local",
+#)
+
+# Load release Plugin API
+gerrit_api()
+
+# Load snapshot Plugin API
+#gerrit_api_maven_local()
diff --git a/example-changeOperator/bazlets.bzl b/example-changeOperator/bazlets.bzl
new file mode 100644
index 0000000..e14e488
--- /dev/null
+++ b/example-changeOperator/bazlets.bzl
@@ -0,0 +1,17 @@
+NAME = "com_googlesource_gerrit_bazlets"
+
+def load_bazlets(
+    commit,
+    local_path = None
+  ):
+  if not local_path:
+      native.git_repository(
+          name = NAME,
+          remote = "https://gerrit.googlesource.com/bazlets",
+          commit = commit,
+      )
+  else:
+      native.local_repository(
+          name = NAME,
+          path = local_path,
+      )
diff --git a/example-changeOperator/lib/gerrit/BUCK b/example-changeOperator/lib/gerrit/BUCK
new file mode 100644
index 0000000..8d5f0e9
--- /dev/null
+++ b/example-changeOperator/lib/gerrit/BUCK
@@ -0,0 +1,20 @@
+include_defs('//bucklets/maven_jar.bucklet')
+
+VER = '2.14-SNAPSHOT'
+REPO = MAVEN_LOCAL
+
+maven_jar(
+  name = 'acceptance-framework',
+  id = 'com.google.gerrit:gerrit-acceptance-framework:' + VER,
+  license = 'Apache2.0',
+  attach_source = False,
+  repository = REPO,
+)
+
+maven_jar(
+  name = 'plugin-api',
+  id = 'com.google.gerrit:gerrit-plugin-api:' + VER,
+  license = 'Apache2.0',
+  attach_source = False,
+  repository = REPO,
+)
diff --git a/example-changeOperator/pom.xml b/example-changeOperator/pom.xml
new file mode 100644
index 0000000..7f2a559
--- /dev/null
+++ b/example-changeOperator/pom.xml
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Copyright (C) 2013 The Android Open Source Project
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>com.googlesource.gerrit.plugins</groupId>
+  <artifactId>example-changeOperator</artifactId>
+  <packaging>jar</packaging>
+  <version>2.14-SNAPSHOT</version>
+  <properties>
+    <Gerrit-ApiType>plugin</Gerrit-ApiType>
+    <Gerrit-ApiVersion>${project.version}</Gerrit-ApiVersion>
+  </properties>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <version>2.4</version>
+        <configuration>
+          <archive>
+            <manifestEntries>
+              <Gerrit-PluginName>example-changeOperator</Gerrit-PluginName>
+              <Gerrit-Module>com.googlesource.gerrit.plugins.examples.changeoperator.Module</Gerrit-Module>
+
+              <Implementation-Vendor>Gerrit Code Review</Implementation-Vendor>
+              <Implementation-URL>https://gerrit-review.googlesource.com/#/admin/projects/plugins/examples</Implementation-URL>
+
+              <Implementation-Title>Example changeOperator</Implementation-Title>
+              <Implementation-Version>${project.version}</Implementation-Version>
+
+              <Gerrit-ApiType>${Gerrit-ApiType}</Gerrit-ApiType>
+              <Gerrit-ApiVersion>${Gerrit-ApiVersion}</Gerrit-ApiVersion>
+            </manifestEntries>
+          </archive>
+        </configuration>
+      </plugin>
+
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>2.3.2</version>
+        <configuration>
+          <source>1.8</source>
+          <target>1.8</target>
+          <encoding>UTF-8</encoding>
+        </configuration>
+      </plugin>
+    </plugins>
+
+  </build>
+
+  <dependencies>
+    <dependency>
+      <groupId>com.google.gerrit</groupId>
+      <artifactId>gerrit-${Gerrit-ApiType}-api</artifactId>
+      <version>${Gerrit-ApiVersion}</version>
+      <scope>provided</scope>
+    </dependency>
+  </dependencies>
+
+  <repositories>
+    <repository>
+      <id>maven.org</id>
+      <url>http://repo1.maven.org/maven2</url>
+    </repository>
+  </repositories>
+</project>
diff --git a/example-changeOperator/src/main/java/com/googlesource/gerrit/plugins/examples/changeoperator/Module.java b/example-changeOperator/src/main/java/com/googlesource/gerrit/plugins/examples/changeoperator/Module.java
new file mode 100644
index 0000000..8b1758a
--- /dev/null
+++ b/example-changeOperator/src/main/java/com/googlesource/gerrit/plugins/examples/changeoperator/Module.java
@@ -0,0 +1,28 @@
+// Copyright (C) 2013 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.examples.changeoperator;
+
+import com.google.gerrit.extensions.annotations.Exports;
+import com.google.gerrit.server.query.change.ChangeQueryBuilder.ChangeOperatorFactory;
+import com.google.inject.AbstractModule;
+
+public class Module extends AbstractModule {
+  @Override
+  protected void configure() {
+    bind(ChangeOperatorFactory.class)
+        .annotatedWith(Exports.named("sample"))
+        .to(SampleOperator.class);
+  }
+}
diff --git a/example-changeOperator/src/main/java/com/googlesource/gerrit/plugins/examples/changeoperator/SampleOperator.java b/example-changeOperator/src/main/java/com/googlesource/gerrit/plugins/examples/changeoperator/SampleOperator.java
new file mode 100644
index 0000000..7049b65
--- /dev/null
+++ b/example-changeOperator/src/main/java/com/googlesource/gerrit/plugins/examples/changeoperator/SampleOperator.java
@@ -0,0 +1,52 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.examples.changeoperator;
+
+import com.google.gerrit.reviewdb.client.Change;
+import com.google.gerrit.server.query.Predicate;
+import com.google.gerrit.server.query.QueryParseException;
+import com.google.gerrit.server.query.change.ChangeData;
+import com.google.gerrit.server.query.change.ChangeOperatorPredicate;
+import com.google.gerrit.server.query.change.ChangeQueryBuilder;
+import com.google.inject.Singleton;
+
+@Singleton
+public class SampleOperator
+    implements ChangeQueryBuilder.ChangeOperatorFactory {
+  public static class MyPredicate extends ChangeOperatorPredicate {
+    private final Change.Id id;
+
+    MyPredicate(Change.Id id) {
+      super("sample", id.toString());
+      this.id = id;
+    }
+
+    @Override
+    public boolean match(ChangeData object) {
+      return id.equals(object.getId());
+    }
+
+    @Override
+    public int getCost() {
+      return 1;
+    }
+  }
+
+  @Override
+  public Predicate<ChangeData> create(ChangeQueryBuilder builder, String value)
+      throws QueryParseException {
+    return new MyPredicate(Change.Id.parse(value));
+  }
+}
diff --git a/example-changeOperator/src/main/resources/Documentation/about.md b/example-changeOperator/src/main/resources/Documentation/about.md
new file mode 100644
index 0000000..90dcd16
--- /dev/null
+++ b/example-changeOperator/src/main/resources/Documentation/about.md
@@ -0,0 +1 @@
+Sample plugin to demonstrate the changeOperator feature of Gerrit's plugin API.
diff --git a/example-changeOperator/src/main/resources/Documentation/change-search-operators.md b/example-changeOperator/src/main/resources/Documentation/change-search-operators.md
new file mode 100644
index 0000000..78d7bf3
--- /dev/null
+++ b/example-changeOperator/src/main/resources/Documentation/change-search-operators.md
@@ -0,0 +1,12 @@
+Search Operators
+================
+
+Sample Operator
+---------------
+
+The @PLUGIN@ plugin provides a new `sample_@PLUGIN@` change search operator
+which can search for one specific change by change number.
+
+*sample_@PLUGIN@:number*
+
+Returns changes which match the change number `number`.
diff --git a/example-changeOperator/tools/bazel.rc b/example-changeOperator/tools/bazel.rc
new file mode 100644
index 0000000..4ed16cf
--- /dev/null
+++ b/example-changeOperator/tools/bazel.rc
@@ -0,0 +1,2 @@
+build --workspace_status_command=./tools/workspace-status.sh
+test --build_tests_only
diff --git a/example-changeOperator/tools/bzl/BUILD b/example-changeOperator/tools/bzl/BUILD
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/example-changeOperator/tools/bzl/BUILD
diff --git a/example-changeOperator/tools/bzl/plugin.bzl b/example-changeOperator/tools/bzl/plugin.bzl
new file mode 100644
index 0000000..2b1df8c
--- /dev/null
+++ b/example-changeOperator/tools/bzl/plugin.bzl
@@ -0,0 +1,4 @@
+load(
+    "@com_googlesource_gerrit_bazlets//:gerrit_plugin.bzl",
+    "gerrit_plugin",
+)
diff --git a/example-changeOperator/tools/workspace-status.sh b/example-changeOperator/tools/workspace-status.sh
new file mode 100755
index 0000000..659ef80
--- /dev/null
+++ b/example-changeOperator/tools/workspace-status.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# This script will be run by bazel when the build process starts to
+# generate key-value information that represents the status of the
+# workspace. The output should be like
+#
+# KEY1 VALUE1
+# KEY2 VALUE2
+#
+# If the script exits with non-zero code, it's considered as a failure
+# and the output will be discarded.
+
+function rev() {
+  git describe --always --match "v[0-9].*" --dirty
+}
+
+echo STABLE_BUILD_EXAMPLE-CHANGEOPERATOR_LABEL $(rev)