From 36dfbaea8c71dfaccafe661627274ca86597908b Mon Sep 17 00:00:00 2001
From: Marcio Teixeira <marcio@alephobjects.com>
Date: Wed, 14 Aug 2019 16:52:57 -0600
Subject: [PATCH] Add missing function declaration (#14955)

---
 Marlin/src/lcd/extensible_ui/ui_api.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Marlin/src/lcd/extensible_ui/ui_api.h b/Marlin/src/lcd/extensible_ui/ui_api.h
index 5cae33a287..8d2a98d171 100644
--- a/Marlin/src/lcd/extensible_ui/ui_api.h
+++ b/Marlin/src/lcd/extensible_ui/ui_api.h
@@ -66,6 +66,7 @@ namespace ExtUI {
 
   bool isMoving();
   bool isAxisPositionKnown(const axis_t);
+  bool isAxisPositionKnown(const extruder_t);
   bool isPositionKnown(); // Axis position guaranteed, steppers active since homing
   bool isMachineHomed(); // Axis position most likely correct, steppers may have deactivated
   bool canMove(const axis_t);