From 1cd02ffee8c8204325d5598d9ee310bf282b0929 Mon Sep 17 00:00:00 2001
From: Uwe <donovaly@users.noreply.github.com>
Date: Mon, 15 Aug 2022 01:33:35 +0200
Subject: [PATCH] [FEM] potential constraint: allow to set expression for value

---
 .../Fem/femtaskpanels/task_constraint_electrostaticpotential.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Mod/Fem/femtaskpanels/task_constraint_electrostaticpotential.py b/src/Mod/Fem/femtaskpanels/task_constraint_electrostaticpotential.py
index ad788ec3b4..27d13abc17 100644
--- a/src/Mod/Fem/femtaskpanels/task_constraint_electrostaticpotential.py
+++ b/src/Mod/Fem/femtaskpanels/task_constraint_electrostaticpotential.py
@@ -104,6 +104,8 @@ class _TaskPanel(object):
     def _initParamWidget(self):
         self._paramWidget.potentialQSB.setProperty(
             'value', self._obj.Potential)
+        FreeCADGui.ExpressionBinding(
+            self._paramWidget.potentialQSB).bind(self._obj, "Potential")
         self._paramWidget.potentialBox.setChecked(
             not self._obj.PotentialEnabled)
         self._paramWidget.potentialConstantBox.setChecked(