This tutorial needs Update, anyone can help?
" Next, we want to make the cell bottom border color be dynamic based on the selected tab.
For each of the three cells, set border style to
solid , bottom border width to
2 . Then, we’ll make the border color dynamic with the formula:
IF(pageVars.selectedTab === "info", theme.$colorNotice, theme.$colorContentSubdued)
The condition will be different for each of the tabs –
pageVars.selectedTab === "log" and
pageVars.selectedTab == "attachments" , respectively.
Since we set the default value to be
info , the first tab should be selected when we preview our app."
Especially this formula, which no longer works.