Hi @jcfr ,
I tried your code.
So the the line “slicer.util.findChildren(w)” returns a big list.
> [qSlicerScriptedLoadableModuleWidget(0x1afaa382430, name="LandmarkRegistrationModuleWidget") , QWidget(0x1afabfb0390) , ctkCollapsibleButton(0x1afb1e6a5a0) , ctkCollapsibleButton(0x1afc6173fa0) , QRadioButton(0x1afc6173420) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFC61736E0), QRadioButton(0x1afc6173620) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFC6173DA0), QRadioButton(0x1afc61732a0) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFC6173FE0), QLabel(0x1afc6173d60) , QFormLayout (QFormLayout at: 0x000001AFB21C3DC0), QVBoxLayout (QVBoxLayout at: 0x000001AFB21C4390), QFrame(0x1afc6173c20, name="EditOptionsFrame") , QVBoxLayout (QVBoxLayout at: 0x000001AFB21C3D60), QGroupBox(0x1afb1e6a6e0) , QRadioButton(0x1afb1e6a8e0) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6C0A0), QRadioButton(0x1afb1e6a720) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6AA20), QFormLayout (QFormLayout at: 0x000001AFB1EDE110), QFormLayout (QFormLayout at: 0x000001AFB1EDDDB0), ctkCollapsibleButton(0x1afb1e6b020) , ctkCollapsibleButton(0x1afc6173320) , QRadioButton(0x1afc61735a0) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFC6173A20), QRadioButton(0x1afc61731a0) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFC6173F20), QLabel(0x1afc6173aa0) , QRadioButton(0x1afc6174060) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFC6173960), QRadioButton(0x1afc6173760) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFC61734A0), QLabel(0x1afc6173ce0) , QFormLayout (QFormLayout at: 0x000001AFB21C26B0), QVBoxLayout (QVBoxLayout at: 0x000001AFB21C3370), QVBoxLayout (QVBoxLayout at: 0x000001AFB21C2230), QFrame(0x1afc6173460, name="EditOptionsFrame") , QVBoxLayout (QVBoxLayout at: 0x000001AFB21C0AF0), QGroupBox(0x1afb1e6a660) , QRadioButton(0x1afb1e6a3e0) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6AEE0), QRadioButton(0x1afb1e6a920) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6A420), QFormLayout (QFormLayout at: 0x000001AFB1EDD600), QPushButton(0x1afb1e6afe0) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6A3A0), QFormLayout (QFormLayout at: 0x000001AFB1EDD0F0), ctkCollapsibleButton(0x1afabfb0810) , QWidget(0x1afb1e6ae20) , QWidget(0x1afb1e6aea0) , QGroupBox(0x1afc6c2f6b0) , QPushButton(0x1afc6c310b0) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFC6C2BA30), QPushButton(0x1afc6c2fb70) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFC6C310F0), QFormLayout (QFormLayout at: 0x000001AFC59170D0), QHBoxLayout (QHBoxLayout at: 0x000001AFC5917A60), QVBoxLayout (QVBoxLayout at: 0x000001AFB1EDD090), QFormLayout (QFormLayout at: 0x000001AFB1EDD3F0), QWidget(0x1afb1e693e0) , QWidget(0x1afb1e699a0) , QGroupBox(0x1afb1e69560) , QWidget(0x1afb1e6a360) , QPushButton(0x1afb1e6af20) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6ACA0), QPushButton(0x1afb1e6a9a0) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6A1E0), QPushButton(0x1afb1e6ab20) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6A1A0), QHBoxLayout (QHBoxLayout at: 0x000001AFB1EDC790), QLabel(0x1afb1e6a960) , QWidget(0x1afb1e696e0) , QWidget(0x1afb1e6ae60) , QCheckBox(0x1afb1e6aaa0) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6B120), QCheckBox(0x1afb1e6af60) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6B0E0), QVBoxLayout (QVBoxLayout at: 0x000001AFB1EDC430), ctkSliderWidget(0x1afb1e69720, name="ctkSliderWidget") , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6AD60), ctkDoubleSpinBox(0x1afb1e698a0, name="SpinBox") , QHBoxLayout (QHBoxLayout at: 0x000001AFB1EDB410), ctkQDoubleSpinBox(0x1afb1dc48e0) , QLineEdit(0x1afb1e6aba0, name="qt_spinbox_lineedit") , QWidgetLineControl (QWidgetLineControl at: 0x000001AFAF476580), QValidator (QValidator at: 0x000001AFB1EDB500), ctkDoubleSlider(0x1afb1e697a0, name="Slider") , QHBoxLayout (QHBoxLayout at: 0x000001AFB1EDBB30), QSlider(0x1afb1e697e0) , QHBoxLayout (QHBoxLayout at: 0x000001AFB1EDB710), QHBoxLayout (QHBoxLayout at: 0x000001AFB1EDBCE0), QLabel(0x1afb1e6ade0) , QWidget(0x1afb1e694e0) , QCheckBox(0x1afb1e69f60) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E69160), QCheckBox(0x1afb1e69320) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6A0E0), QCheckBox(0x1afb1e69620) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E696A0), QCheckBox(0x1afb1e69e20) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E69520), QHBoxLayout (QHBoxLayout at: 0x000001AFB1EDA900), QLabel(0x1afb1e69960) , QWidget(0x1afb1e69c60) , QPushButton(0x1afb1e692e0) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6A0A0), QPushButton(0x1afb1e6a060) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E69CA0), QPushButton(0x1afb1e694a0) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E69A60), QPushButton(0x1afb1e69420) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E69220), QHBoxLayout (QHBoxLayout at: 0x000001AFB1EDA540), QLabel(0x1afb1e69260) , QFormLayout (QFormLayout at: 0x000001AFB1EDAA80), QVBoxLayout (QVBoxLayout at: 0x000001AFB1EDA720), QFormLayout (QFormLayout at: 0x000001AFB1EDA150), qMRMLNodeComboBox(0x1afb1e627e0) , qMRMLSortFilterProxyModel (qMRMLSortFilterProxyModel at: 0x000001AFB1E63A60), qMRMLNodeFactory (qMRMLNodeFactory at: 0x000001AFB1E45A20), ctkComboBox(0x1afb1e63a20) , QComboBoxPrivateContainer(0x1afaa382f70) , QComboBoxListView(0x1afb1e632e0) , QItemSelectionModel (QItemSelectionModel at: 0x000001AFB1E45A80), QWidget(0x1afb1dbed00, name="qt_scrollarea_vcontainer") , QBoxLayout (QBoxLayout at: 0x000001AFB1ED5860), QScrollBar(0x1afb1e63e60) , QWidget(0x1afb1dbf480, name="qt_scrollarea_hcontainer") , QBoxLayout (QBoxLayout at: 0x000001AFB1ED5590), QScrollBar(0x1afb1e63520) , QWidget(0x1afb1e63fe0, name="qt_scrollarea_viewport") , QBoxLayout (QBoxLayout at: 0x000001AFB1ED60A0), QHBoxLayout (QHBoxLayout at: 0x000001AFB1ED6460), qMRMLSceneModel (qMRMLSceneModel at: 0x000001AFB1E62A60), QLabel(0x1afb1e69aa0) , qMRMLNodeComboBox(0x1afb1e5cda0) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6B6E0), qMRMLSortFilterProxyModel (qMRMLSortFilterProxyModel at: 0x000001AFB1E5DC60), qMRMLNodeFactory (qMRMLNodeFactory at: 0x000001AFB1E44360), ctkComboBox(0x1afb1e5cde0) , QComboBoxPrivateContainer(0x1afaa382d90) , QComboBoxListView(0x1afb1e5cba0) , QItemSelectionModel (QItemSelectionModel at: 0x000001AFB1E43DA0), QWidget(0x1afb1dbb6f0, name="qt_scrollarea_vcontainer") , QBoxLayout (QBoxLayout at: 0x000001AFB1DA1780), QScrollBar(0x1afb1e5dee0) , QWidget(0x1afb1dbabb0, name="qt_scrollarea_hcontainer") , QBoxLayout (QBoxLayout at: 0x000001AFB1DA09A0), QScrollBar(0x1afb1e5cca0) , QWidget(0x1afb1e5cc20, name="qt_scrollarea_viewport") , QBoxLayout (QBoxLayout at: 0x000001AFB1DA2080), QHBoxLayout (QHBoxLayout at: 0x000001AFB1DA2890), qMRMLSceneModel (qMRMLSceneModel at: 0x000001AFB1E5C2A0), QLabel(0x1afb1e621e0) , qMRMLNodeComboBox(0x1afb1e570e0) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6C060), qMRMLSortFilterProxyModel (qMRMLSortFilterProxyModel at: 0x000001AFB1E56BE0), qMRMLNodeFactory (qMRMLNodeFactory at: 0x000001AFB1E41F60), ctkComboBox(0x1afb1e56220) , QComboBoxPrivateContainer(0x1afaa3827f0) , QComboBoxListView(0x1afb1e56560) , QItemSelectionModel (QItemSelectionModel at: 0x000001AFB1E421E0), QWidget(0x1afb1db7ff0, name="qt_scrollarea_vcontainer") , QBoxLayout (QBoxLayout at: 0x000001AFB1DAB2C0), QScrollBar(0x1afb1e56620) , QWidget(0x1afb1db7a50, name="qt_scrollarea_hcontainer") , QBoxLayout (QBoxLayout at: 0x000001AFB1DABBC0), QScrollBar(0x1afb1e569a0) , QWidget(0x1afb1e56960, name="qt_scrollarea_viewport") , QBoxLayout (QBoxLayout at: 0x000001AFB1DAB8C0), QHBoxLayout (QHBoxLayout at: 0x000001AFB1DAB2F0), qMRMLSceneModel (qMRMLSceneModel at: 0x000001AFB1E56D60), QLabel(0x1afb1e5ce60) , qMRMLNodeComboBox(0x1afabfb0b50) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFB1E6BBE0), qMRMLSortFilterProxyModel (qMRMLSortFilterProxyModel at: 0x000001AFA98FFB60), qMRMLNodeFactory (qMRMLNodeFactory at: 0x000001AFB1E40340), ctkComboBox(0x1afabfb4c10) , QComboBoxPrivateContainer(0x1afaa381210) , QComboBoxListView(0x1afabfbb6d0) , QItemSelectionModel (QItemSelectionModel at: 0x000001AFB1E3FF80), QWidget(0x1afb1db2230, name="qt_scrollarea_vcontainer") , QBoxLayout (QBoxLayout at: 0x000001AFB1DA6340), QScrollBar(0x1afabfa0d10) , QWidget(0x1afb1db2190, name="qt_scrollarea_hcontainer") , QBoxLayout (QBoxLayout at: 0x000001AFB1DA6880), QScrollBar(0x1afabfbb950) , QWidget(0x1afabfbc050, name="qt_scrollarea_viewport") , QBoxLayout (QBoxLayout at: 0x000001AFB1DA65B0), QHBoxLayout (QHBoxLayout at: 0x000001AFB1DA7420), qMRMLSceneModel (qMRMLSceneModel at: 0x000001AFABFB0C50), QLabel(0x1afb1e56260) , QFormLayout (QFormLayout at: 0x000001AFB1DA66A0), QVBoxLayout (QVBoxLayout at: 0x000001AFB1DA5B60), QPushButton(0x1afabfaa110) , PythonQtSignalReceiverBase (PythonQtSignalReceiverBase at: 0x000001AFABFB1150), QVBoxLayout (QVBoxLayout at: 0x000001AFB1DA45A0)]
And this one " slicer.util.findChildren(w, name=‘LandmarkRegistration’) returns empty list []