Add a full app to show off action_suspend_process binding

docs/examples/app/suspend_process.py

@@ -0,0 +1,15 @@
+from textual.app import App, ComposeResult
+from textual.binding import Binding
+from textual.widgets import Label
+
+
+class SuspendKeysApp(App[None]):
+
+    BINDINGS = [Binding("ctrl+z", "suspend_process")]
+
+    def compose(self) -> ComposeResult:
+        yield Label("Press Ctrl+Z to suspend!")
+
+
+if __name__ == "__main__":
+    SuspendKeysApp().run()

docs/guide/app.md

@@ -276,11 +276,16 @@ Ordinarily this key combination is <kbd>Ctrl</kbd>+<kbd>Z</kbd>;
 in a Textual application this is disabled by default, but an action is provided ([`action_suspend_process`](/api/app/#textual.app.App.action_suspend_process)) that you can bind in the usual way.
 For example:
 
-```python
-BINDINGS = [
-    Binding("ctrl+z", "suspend_process")
-]
-```
+=== "suspend_process.py"
+
+    ```python hl_lines="8"
+    --8<-- "docs/examples/app/suspend_process.py"
+    ```
+
+=== "Output"
+
+    ```{.textual path="docs/examples/app/suspend_process.py"}
+    ```
 
 !!! note