Updated CLI_Usage (markdown)

CLI_Usage.md

@@ -205,3 +205,20 @@ cat << _EOF | apprise --input-format=markdown
 There is more, but I want to keep my message short. :)
 _EOF
 ```
+
+## :star2: Tricks and Additional Notes
+### Tmux Alert Bell Integration
+Users of Tmux can link their `alert-bell` to use Apprise like so:
+```bash
+# set your tmux bell-action to type 'other':
+set-option -g bell-action other
+
+# now set tmux to trigger on `alert-bell` actions
+set-hook -g alert-bell 'run-shell "\
+  apprise \
+    --title \"tmux finished on #{host}\" \
+    --body \"in session #{session_name} window #{window_index}:#{window_name}\" \
+    discord://webhook_id/webhook_token \
+    slack://TokenA/TokenB/TokenC/Channel \
+    twilio://AccountSid:AuthToken@FromPhoneNo"
+```