diff --git a/src/main/kotlin/com/github/thinkami/hellojetbrainsplugin/actions/HelloAction.kt b/src/main/kotlin/com/github/thinkami/hellojetbrainsplugin/actions/HelloAction.kt
new file mode 100644
index 0000000..33e9903
--- /dev/null
+++ b/src/main/kotlin/com/github/thinkami/hellojetbrainsplugin/actions/HelloAction.kt
@@ -0,0 +1,13 @@
+package com.github.thinkami.hellojetbrainsplugin.actions
+
+import com.intellij.openapi.actionSystem.AnAction
+import com.intellij.openapi.actionSystem.AnActionEvent
+import com.intellij.openapi.ui.Messages
+
+class HelloAction: AnAction() {
+    override fun actionPerformed(e: AnActionEvent) {
+        Messages.showMessageDialog(buildString {
+            append("ハロー")
+        }, "ワールド", null)
+    }
+}
\ No newline at end of file
diff --git a/src/main/resources/META-INF/plugin.xml b/src/main/resources/META-INF/plugin.xml
index 110257e..ba1ef6e 100644
--- a/src/main/resources/META-INF/plugin.xml
+++ b/src/main/resources/META-INF/plugin.xml
@@ -15,4 +15,13 @@
     <applicationListeners>
         <listener class="com.github.thinkami.hellojetbrainsplugin.listeners.MyApplicationActivationListener" topic="com.intellij.openapi.application.ApplicationActivationListener"/>
     </applicationListeners>
+
+    <actions>
+        <action id="com.github.thinkami.hellojetbrainsplugin.actions.HelloAction"
+                class="com.github.thinkami.hellojetbrainsplugin.actions.HelloAction"
+                text="Hello Action"
+                description="hello world action">
+            <add-to-group group-id="EditorPopupMenu" anchor="first" />
+        </action>
+    </actions>
 </idea-plugin>