I have this code:
targetMu: function(programmeCode, muId) { //Parameter values are fine here targetMuController.targetMuView.on(\"targetMu:afterRender\", fun
try to remove parameters from anonymous function:
targetMu: function(programmeCode, muId) { targetMuController.targetMuView.on("targetMu:afterRender", function() { this.renderCustomWidgets(muId, programmeCode); }); }