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In Simple mode the left sidebar opens on the Screens panel instead of the Advanced layer tree. It is a vertical list of screen thumbnails you reorder by dragging, with two pinned cards at the top for flow-wide settings. The Screens panel replaces the layer tree you use in Advanced. You work with whole screens here, not individual components. To edit what is on a screen, select it and use the block controllers in the properties panel.
TODO: screenshot of the Simple-mode Screens panel showing the pinned cards and the numbered screen thumbnails.

The screen list

Each screen is a card showing its number and a live thumbnail (a scaled, non-interactive render of the screen, loaded as you scroll). When the flow has no screens, the panel reads “No screens yet”.
ActionHow
Select a screenClick its card. The canvas jumps to that screen.
RenameDouble-click the name, or open the menu and choose Rename. Press Enter to confirm, Escape to cancel.
DuplicateOpen the menu and choose Duplicate.
DeleteOpen the menu and choose Delete. A confirm dialog titled “Delete screen?” warns that the screen “and everything on it will be removed.”
ReorderDrag a card up or down. Screens run top to bottom; the linear order is rebuilt automatically.
Add a screenClick Add screen at the bottom of the list.

Adding a screen

Add screen appends a new blank screen and then opens the screen-template picker so you can start from a template (Welcome, Question, Input, Loading, and so on) or dismiss it to keep the screen blank. Simple users are nudged to start from a template rather than an empty canvas.

The Persistent Zones card

Pinned at the top of the panel is a card titled “Persistent Zones” with the subtitle “Navigation bar, footer & overlay”. Persistent zones are UI that stays on screen across transitions: a progress bar at the top, a Continue button at the bottom, an overlay. See Persistent zones for the full model.
  • Expand the card to edit the zones. It reveals the same nav bar / footer / overlay tree the Advanced editor uses, so selecting, reordering, and editing zone components works the same way.
  • If the flow has no persistent UI yet, the card offers a one-click “Set up persistent zones” button to initialize them.

Hiding a zone on one screen

Each screen card has an eye icon that opens a small popover titled “Zones on this screen” (“Hide a persistent zone just for this screen.”). It shows a switch per configured zone, labeled “Show navigation bar here”, “Show footer here”, or “Show overlay here”. Turning a zone off writes a per-screen visibility override. Screens that hide a zone show an amber badge: “Navigation bar hidden” for one zone, or “2 zones hidden” for several. Everything else about the zone (its content and order) stays shared across the flow; only its visibility on that one screen changes.

The Data collected card

The second pinned card, “Data collected”, is a read-only summary of every variable the flow captures. Its subtitle counts them: “Nothing captured yet”, “1 data point”, or “3 data points”. This card is read-only on purpose. In Simple mode variables are managed for you (a question block creates and writes its own variable). To add, rename, or delete variables by hand, switch to Advanced and use the variable manager. Each row shows:
  • The variable’s name (its label, or its key if it has no label).
  • A type badge: string, number, boolean, or a list type such as List<Text>, List<Number>, List<Boolean>.
  • Where the value comes from:
    • “Captured in flow” for a value a question or input writes.
    • “From app” for a value your app passes in through the SDK (it shows the app.<path> source).
    • “Preset value” for a fixed constant.
When the flow captures nothing, the card shows “No data collected yet” with the hint “Add question or input blocks to capture answers.”

Logic steps appear locked

A flow can contain logic nodes (condition, assign, abTest, and others) that branch or compute between screens. Simple mode cannot edit these, so it shows them as read-only “Logic step” dividers between the screen cards, each with a lock icon and a per-kind label:
Node kindDivider label
conditionCondition
assignSet variable
abTestA/B split
apiAPI call
eventEvent
subflowSubflow
The tooltip reads “Logic step (edit in Advanced mode)”. To edit the logic, switch to Advanced.

Common mistakes

  • Looking for individual components in the panel. Simple works at the screen level. Select a screen, then edit its parts with the block controllers on the right.
  • Trying to add a variable from the Data collected card. It is read-only. Question and input blocks create variables for you; use Advanced for manual variable editing.
  • Hiding a zone everywhere by toggling it on one screen. The per-screen switch only affects that one screen. To remove a zone from the whole flow, edit the Persistent Zones card.
  • Expecting to edit a Logic step in Simple. Logic steps are locked in Simple. Switch to Advanced to edit branches and computed assignments.