diff --git a/plugin_sample/src/org/jetbrains/plugins/sample/CustomTreeStructureProvider.java b/plugin_sample/src/org/jetbrains/plugins/sample/CustomTreeStructureProvider.java
new file mode 100644
index 000000000..ed2d5c310
--- /dev/null
+++ b/plugin_sample/src/org/jetbrains/plugins/sample/CustomTreeStructureProvider.java
@@ -0,0 +1,27 @@
+package org.jetbrains.plugins.sample;
+
+import com.intellij.ide.projectView.TreeStructureProvider;
+import com.intellij.ide.projectView.ViewSettings;
+import com.intellij.ide.util.treeView.AbstractTreeNode;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Collection;
+import java.util.Collections;
+
+/**
+ * @author Anna Bulenkova
+ */
+public class CustomTreeStructureProvider implements TreeStructureProvider {
+    @NotNull
+    @Override
+    public Collection<AbstractTreeNode> modify(@NotNull AbstractTreeNode abstractTreeNode, @NotNull Collection<AbstractTreeNode> collection, ViewSettings viewSettings) {
+        return Collections.emptyList();
+    }
+
+    @Nullable
+    @Override
+    public Object getData(Collection<AbstractTreeNode> collection, String s) {
+        return null;
+    }
+}
diff --git a/tree_structure_provider/META-INF/plugin.xml b/tree_structure_provider/META-INF/plugin.xml
new file mode 100644
index 000000000..e4498d56d
--- /dev/null
+++ b/tree_structure_provider/META-INF/plugin.xml
@@ -0,0 +1,31 @@
+<idea-plugin version="2" url="www.jetbrains.com">
+  <id>org.jetbrains.plugins.sample.TreeStructure</id>
+  <name>Tree Structure Provider Demo</name>
+  <version>1.0</version>
+  <vendor email="support@jetbrains.com" url="http://www.jetbrains.com">JetBrains</vendor>
+
+  <description>Tree Structure Provider Demo</description>
+
+  <change-notes>Initial commit</change-notes>
+
+  <!-- please see http://confluence.jetbrains.com/display/IDEADEV/Build+Number+Ranges for description -->
+  <idea-version since-build="131"/>
+  <depends>com.intellij.modules.lang</depends>
+
+  <extensions defaultExtensionNs="com.intellij">
+    <treeStructureProvider implementation="org.jetbrains.plugins.sample.CustomTreeStructureProvider"/>
+  </extensions>
+
+  <application-components>
+    <!-- Add your application components here -->
+  </application-components>
+
+  <project-components>
+    <!-- Add your project components here -->
+  </project-components>
+
+  <actions>
+    <!-- Add your actions here -->
+  </actions>
+
+</idea-plugin>
\ No newline at end of file
diff --git a/tree_structure_provider/tree_structure_provider.iml b/tree_structure_provider/tree_structure_provider.iml
new file mode 100644
index 000000000..8ab62dee5
--- /dev/null
+++ b/tree_structure_provider/tree_structure_provider.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module version="4">
+  <component name="DevKit.ModuleBuildProperties" url="file://$MODULE_DIR$/META-INF/plugin.xml" />
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file