diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index d68afcf..5a117fe 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -7,15 +7,26 @@ on:
     types: [ synchronize, opened, reopened, ready_for_review ]
 
 jobs:
-  run:
-    if: github.event.pull_request.draft == false
-    name: Run something
+  changed_files:
+    # NOTE:
+    # - This is limited to pull_request* events and would raise an error for other events.
+    # - A maximum of 3000 files can be returned.
+    # - For more flexibility and no limitations see "Using local .git directory" above.
+
+    runs-on: ubuntu-latest
+    name: Test changed-files
+    permissions:
+      pull-requests: read
 
     steps:
-      - uses: actions/checkout@v2
-      
-      - name: Show diff
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@v44
+
+      - name: List all changed files
+        env:
+          ALL_CHANGED_FILES: ${{ steps.changed-files.outputs.all_changed_files }}
         run: |
-          git show --pretty=format:'' --name-only ${{ github.ref }}
-          git show --pretty=format:'' --name-only ${{ github.sha }}
-          
+          for file in ${ALL_CHANGED_FILES}; do
+            echo "$file was changed"
+          done
diff --git a/teste.md b/teste.md
new file mode 100644
index 0000000..50c8875
--- /dev/null
+++ b/teste.md
@@ -0,0 +1 @@
+testeeee