From c28749a5677f941ca45945bc1bd9cafc45802368 Mon Sep 17 00:00:00 2001
From: Ben Lye <ben@lye.co.nz>
Date: Sun, 2 Jul 2017 09:44:24 +0100
Subject: [PATCH] Add kill action

Sends pre-defined string as action command when printer is kill.
---
 Marlin/Configuration_adv.h                                 | 7 +++++++
 Marlin/Marlin_main.cpp                                     | 4 ++++
 Marlin/example_configurations/Anet/A6/Configuration_adv.h  | 7 +++++++
 Marlin/example_configurations/Anet/A8/Configuration_adv.h  | 7 +++++++
 Marlin/example_configurations/Cartesio/Configuration_adv.h | 7 +++++++
 Marlin/example_configurations/Felix/Configuration_adv.h    | 7 +++++++
 .../FolgerTech-i3-2020/Configuration_adv.h                 | 7 +++++++
 .../example_configurations/Hephestos/Configuration_adv.h   | 7 +++++++
 .../example_configurations/Hephestos_2/Configuration_adv.h | 7 +++++++
 Marlin/example_configurations/K8200/Configuration_adv.h    | 7 +++++++
 Marlin/example_configurations/K8400/Configuration_adv.h    | 7 +++++++
 Marlin/example_configurations/M150/Configuration_adv.h     | 7 +++++++
 Marlin/example_configurations/RigidBot/Configuration_adv.h | 7 +++++++
 Marlin/example_configurations/SCARA/Configuration_adv.h    | 7 +++++++
 Marlin/example_configurations/TAZ4/Configuration_adv.h     | 7 +++++++
 Marlin/example_configurations/TinyBoy2/Configuration_adv.h | 7 +++++++
 Marlin/example_configurations/WITBOX/Configuration_adv.h   | 7 +++++++
 .../delta/FLSUN/auto_calibrate/Configuration_adv.h         | 7 +++++++
 .../delta/FLSUN/kossel_mini/Configuration_adv.h            | 7 +++++++
 .../delta/generic/Configuration_adv.h                      | 7 +++++++
 .../delta/kossel_mini/Configuration_adv.h                  | 7 +++++++
 .../delta/kossel_pro/Configuration_adv.h                   | 7 +++++++
 .../delta/kossel_xl/Configuration_adv.h                    | 7 +++++++
 .../gCreate_gMax1.5+/Configuration_adv.h                   | 7 +++++++
 Marlin/example_configurations/makibox/Configuration_adv.h  | 7 +++++++
 .../tvrrug/Round2/Configuration_adv.h                      | 7 +++++++
 Marlin/example_configurations/wt150/Configuration_adv.h    | 7 +++++++
 27 files changed, 186 insertions(+)

diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index e68c485635..57c3716132 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -1268,6 +1268,13 @@
   #define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index c280c10027..0b2765acb7 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -12836,6 +12836,10 @@ void kill(const char* lcd_msg) {
   _delay_ms(250); //Wait to ensure all interrupts routines stopped
   thermalManager.disable_all_heaters(); //turn off heaters again
 
+  #if defined(ACTION_ON_KILL)
+    SERIAL_ECHOLNPGM("//action:" ACTION_ON_KILL);
+  #endif
+  
   #if HAS_POWER_SWITCH
     SET_INPUT(PS_ON_PIN);
   #endif
diff --git a/Marlin/example_configurations/Anet/A6/Configuration_adv.h b/Marlin/example_configurations/Anet/A6/Configuration_adv.h
index 30526adf62..ea27f9331f 100644
--- a/Marlin/example_configurations/Anet/A6/Configuration_adv.h
+++ b/Marlin/example_configurations/Anet/A6/Configuration_adv.h
@@ -1268,6 +1268,13 @@
   #define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/Anet/A8/Configuration_adv.h b/Marlin/example_configurations/Anet/A8/Configuration_adv.h
index cc72206cf5..c264b17be2 100644
--- a/Marlin/example_configurations/Anet/A8/Configuration_adv.h
+++ b/Marlin/example_configurations/Anet/A8/Configuration_adv.h
@@ -1268,6 +1268,13 @@
   #define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/Cartesio/Configuration_adv.h b/Marlin/example_configurations/Cartesio/Configuration_adv.h
index 1de847b7f6..f71292cbd5 100644
--- a/Marlin/example_configurations/Cartesio/Configuration_adv.h
+++ b/Marlin/example_configurations/Cartesio/Configuration_adv.h
@@ -1261,6 +1261,13 @@
   #define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/Felix/Configuration_adv.h b/Marlin/example_configurations/Felix/Configuration_adv.h
index 8e5e5fab00..94fcbf30bf 100644
--- a/Marlin/example_configurations/Felix/Configuration_adv.h
+++ b/Marlin/example_configurations/Felix/Configuration_adv.h
@@ -1261,6 +1261,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/FolgerTech-i3-2020/Configuration_adv.h b/Marlin/example_configurations/FolgerTech-i3-2020/Configuration_adv.h
index 5031cfb2d7..4b3fb35682 100644
--- a/Marlin/example_configurations/FolgerTech-i3-2020/Configuration_adv.h
+++ b/Marlin/example_configurations/FolgerTech-i3-2020/Configuration_adv.h
@@ -1274,6 +1274,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/Hephestos/Configuration_adv.h b/Marlin/example_configurations/Hephestos/Configuration_adv.h
index bf39fff886..89f30b1fe2 100644
--- a/Marlin/example_configurations/Hephestos/Configuration_adv.h
+++ b/Marlin/example_configurations/Hephestos/Configuration_adv.h
@@ -1261,6 +1261,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/Hephestos_2/Configuration_adv.h b/Marlin/example_configurations/Hephestos_2/Configuration_adv.h
index 4be6605e34..8ee2095aae 100644
--- a/Marlin/example_configurations/Hephestos_2/Configuration_adv.h
+++ b/Marlin/example_configurations/Hephestos_2/Configuration_adv.h
@@ -1244,6 +1244,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/K8200/Configuration_adv.h b/Marlin/example_configurations/K8200/Configuration_adv.h
index d931ab26ce..5adbc19d82 100644
--- a/Marlin/example_configurations/K8200/Configuration_adv.h
+++ b/Marlin/example_configurations/K8200/Configuration_adv.h
@@ -1274,6 +1274,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/K8400/Configuration_adv.h b/Marlin/example_configurations/K8400/Configuration_adv.h
index 0f650aa952..04ed926e1f 100644
--- a/Marlin/example_configurations/K8400/Configuration_adv.h
+++ b/Marlin/example_configurations/K8400/Configuration_adv.h
@@ -1261,6 +1261,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/M150/Configuration_adv.h b/Marlin/example_configurations/M150/Configuration_adv.h
index 49bcfcf586..d31f0320a3 100644
--- a/Marlin/example_configurations/M150/Configuration_adv.h
+++ b/Marlin/example_configurations/M150/Configuration_adv.h
@@ -1268,6 +1268,13 @@
   #define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/RigidBot/Configuration_adv.h b/Marlin/example_configurations/RigidBot/Configuration_adv.h
index 84921f2250..ac15cd3561 100644
--- a/Marlin/example_configurations/RigidBot/Configuration_adv.h
+++ b/Marlin/example_configurations/RigidBot/Configuration_adv.h
@@ -1261,6 +1261,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/SCARA/Configuration_adv.h b/Marlin/example_configurations/SCARA/Configuration_adv.h
index 59304ae0c4..d820ed78be 100644
--- a/Marlin/example_configurations/SCARA/Configuration_adv.h
+++ b/Marlin/example_configurations/SCARA/Configuration_adv.h
@@ -1261,6 +1261,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/TAZ4/Configuration_adv.h b/Marlin/example_configurations/TAZ4/Configuration_adv.h
index f7184724f6..6800a96bc0 100644
--- a/Marlin/example_configurations/TAZ4/Configuration_adv.h
+++ b/Marlin/example_configurations/TAZ4/Configuration_adv.h
@@ -1261,6 +1261,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/TinyBoy2/Configuration_adv.h b/Marlin/example_configurations/TinyBoy2/Configuration_adv.h
index 494d58ca07..5f332f31a7 100644
--- a/Marlin/example_configurations/TinyBoy2/Configuration_adv.h
+++ b/Marlin/example_configurations/TinyBoy2/Configuration_adv.h
@@ -1264,6 +1264,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/WITBOX/Configuration_adv.h b/Marlin/example_configurations/WITBOX/Configuration_adv.h
index bf39fff886..89f30b1fe2 100644
--- a/Marlin/example_configurations/WITBOX/Configuration_adv.h
+++ b/Marlin/example_configurations/WITBOX/Configuration_adv.h
@@ -1261,6 +1261,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration_adv.h b/Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration_adv.h
index 51019d2287..66b681d177 100644
--- a/Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration_adv.h
@@ -1266,6 +1266,13 @@
   #define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration_adv.h b/Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration_adv.h
index d00185a6a6..8de3b0bdf8 100644
--- a/Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration_adv.h
@@ -1265,6 +1265,13 @@
   #define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/delta/generic/Configuration_adv.h b/Marlin/example_configurations/delta/generic/Configuration_adv.h
index 6fd092e0bb..fd2bdf30f1 100644
--- a/Marlin/example_configurations/delta/generic/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/generic/Configuration_adv.h
@@ -1263,6 +1263,13 @@
   #define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
index 6fd092e0bb..fd2bdf30f1 100644
--- a/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
@@ -1263,6 +1263,13 @@
   #define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
index f2a74f2910..f7ae11b992 100644
--- a/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
@@ -1268,6 +1268,13 @@
   #define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
index 00a02b39b2..ef02e75594 100644
--- a/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
@@ -1263,6 +1263,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/gCreate_gMax1.5+/Configuration_adv.h b/Marlin/example_configurations/gCreate_gMax1.5+/Configuration_adv.h
index cf0cc38efb..7846249545 100644
--- a/Marlin/example_configurations/gCreate_gMax1.5+/Configuration_adv.h
+++ b/Marlin/example_configurations/gCreate_gMax1.5+/Configuration_adv.h
@@ -1270,6 +1270,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/makibox/Configuration_adv.h b/Marlin/example_configurations/makibox/Configuration_adv.h
index 8a7a61da4a..58b2a842d7 100644
--- a/Marlin/example_configurations/makibox/Configuration_adv.h
+++ b/Marlin/example_configurations/makibox/Configuration_adv.h
@@ -1261,6 +1261,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h b/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
index 5de0a43bb8..de5a967b7e 100644
--- a/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
+++ b/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
@@ -1261,6 +1261,13 @@
   //#define USER_GCODE_5 "G28\nM503"
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================
diff --git a/Marlin/example_configurations/wt150/Configuration_adv.h b/Marlin/example_configurations/wt150/Configuration_adv.h
index 97f73b2e82..bf612de948 100644
--- a/Marlin/example_configurations/wt150/Configuration_adv.h
+++ b/Marlin/example_configurations/wt150/Configuration_adv.h
@@ -1351,6 +1351,13 @@
 
 #endif
 
+/**
+ * Specify an action command to send to the host when the printer is killed.
+ * Will be sent in the form '//action:ACTION_ON_KILL', e.g. '//action:poweroff'.
+ * The host must be configured to handle the action command.
+ */
+//#define ACTION_ON_KILL "poweroff"
+
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================
 //===========================================================================