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#define FILAMENT_RUNOUT_SENSOR
#if ENABLED(FILAMENT_RUNOUT_SENSOR)
  #define FIL_RUNOUT_ENABLED_DEFAULT true // Enable the sensor on startup. Override with M412 followed by M500.
  #define NUM_RUNOUT_SENSORS   1          // Number of sensors, up to one per extruder. Define a FIL_RUNOUT#_PIN for each.

  #define FIL_RUNOUT_STATE     LOW       // Pin state indicating that filament is NOT present.
  #define FIL_RUNOUT_PULLUP               // Use internal pullup for filament runout pins.
  //#define FIL_RUNOUT_PULLDOWN           // Use internal pulldown for filament runout pins.
  //#define WATCH_ALL_RUNOUT_SENSORS      // Execute runout script on any triggering sensor, not only for the active extruder.
                                          // This is automatically enabled for MIXING_EXTRUDERs.

  // Override individually if the runout sensors vary
  //#define FIL_RUNOUT1_STATE LOW
  //#define FIL_RUNOUT1_PULLUP
  //#define FIL_RUNOUT1_PULLDOWN

  //#define FIL_RUNOUT2_STATE LOW
  //#define FIL_RUNOUT2_PULLUP
  //#define FIL_RUNOUT2_PULLDOWN

  //#define FIL_RUNOUT3_STATE LOW
  //#define FIL_RUNOUT3_PULLUP
  //#define FIL_RUNOUT3_PULLDOWN

  //#define FIL_RUNOUT4_STATE LOW
  //#define FIL_RUNOUT4_PULLUP
  //#define FIL_RUNOUT4_PULLDOWN

  //#define FIL_RUNOUT5_STATE LOW
  //#define FIL_RUNOUT5_PULLUP
  //#define FIL_RUNOUT5_PULLDOWN

  //#define FIL_RUNOUT6_STATE LOW
  //#define FIL_RUNOUT6_PULLUP
  //#define FIL_RUNOUT6_PULLDOWN

  //#define FIL_RUNOUT7_STATE LOW
  //#define FIL_RUNOUT7_PULLUP
  //#define FIL_RUNOUT7_PULLDOWN

  //#define FIL_RUNOUT8_STATE LOW
  //#define FIL_RUNOUT8_PULLUP
  //#define FIL_RUNOUT8_PULLDOWN

  // Commands to execute on filament runout.
  // With multiple runout sensors use the %c placeholder for the current tool in commands (e.g., "M600 T%c")
  // NOTE: After 'M412 H1' the host handles filament runout and this script does not apply.
  #define FILAMENT_RUNOUT_SCRIPT "M600"