diff --git a/.github/workflows/comment_on_push.yml b/.github/workflows/comment_on_push.yml
new file mode 100644
index 0000000..6524873
--- /dev/null
+++ b/.github/workflows/comment_on_push.yml
@@ -0,0 +1,19 @@
+name: Comment on Push
+on:
+  - push
+
+jobs:
+  comment:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: jwalton/gh-find-current-pr@v1
+        id: finder
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: ./
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          number: ${{ steps.finder.outputs.pr }}
+          message: |
+            Test ${{ github.sha }} is successfully ended.
diff --git a/action.yml b/action.yml
index a11908f..bd2533e 100644
--- a/action.yml
+++ b/action.yml
@@ -4,8 +4,13 @@ author: "marocchino"
 inputs:
   message:
     description: "comment message"
+    required: true
+  number:
+    description: "pull request number for push event"
+    required: false
   GITHUB_TOKEN:
     description: "set secrets.GITHUB_TOKEN here"
+    required: true
 runs:
   using: "node12"
   main: "lib/main.js"
diff --git a/lib/main.js b/lib/main.js
index c6d36b6..0f2808d 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -24,11 +24,11 @@ function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
             const repo = github_1.context.repo;
-            const number = (_c = (_b = (_a = github_1.context) === null || _a === void 0 ? void 0 : _a.payload) === null || _b === void 0 ? void 0 : _b.pull_request) === null || _c === void 0 ? void 0 : _c.number;
+            const number = ((_c = (_b = (_a = github_1.context) === null || _a === void 0 ? void 0 : _a.payload) === null || _b === void 0 ? void 0 : _b.pull_request) === null || _c === void 0 ? void 0 : _c.number) || +core.getInput("number");
             const body = core.getInput("message");
             const githubToken = core.getInput("GITHUB_TOKEN");
-            if (!number) {
-                core.setFailed("This action only works for pull_request");
+            if (isNaN(number)) {
+                core.setFailed("not found pull request number");
                 return;
             }
             if (!body || !githubToken) {
diff --git a/src/main.ts b/src/main.ts
index 7e6d160..94b8ef5 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -4,11 +4,12 @@ import { findPreviousComment, createComment, updateComment } from "./comment";
 async function run() {
   try {
     const repo = context.repo;
-    const number = context?.payload?.pull_request?.number;
+    const number =
+      context?.payload?.pull_request?.number || +core.getInput("number");
     const body = core.getInput("message");
     const githubToken = core.getInput("GITHUB_TOKEN");
-    if (!number) {
-      core.setFailed("This action only works for pull_request");
+    if (isNaN(number)) {
+      core.setFailed("not found pull request number");
       return;
     }
     if (!body || !githubToken) {