Button to zero out another widget WITHOUT sending a message?

[jean-emmanuel]

It's the tab's parent that updates when you select a tab, you have to use the parent's script.

Can a push button open a tab?

A tab container’s value determines the index of the opened tab, you can either set that container’s value with a script or use that value to trigger a script. Here’s is a short example for the second case: we want to monitor which tab is opened in the main container (id=root) create a script with value set to @{root} set its script property to JS{{ if (value == 0) { // 1st tab // do something } else if (value == 1) { // 2nd tab // do something else... } }} EDIT: it’s not necessary…