Video | Tableau | Data prep

Grouped steps

A new Tableau Prep feature lets you tidy up complex flows by grouping connected steps, but there's a bit of nuance to know first.

Part ofTableau Prep Builder tutorial Jan-2020
Watch on YouTube
  • At release this grouping feature isn't supported on Tableau Online or its dev instance, so you'll see a warning and won't be able to schedule a published flow; click 'use features' to continue locally
  • To group steps they must be directly connected, and you can isolate a top section by selecting it plus the step ahead to make grouping work
  • Groups can be expanded, collapsed, renamed and given descriptions, but the description only shows when collapsed, not when expanded
  • You can't nest a group inside another group, and any connection leaving a grouped step stays visible outside the group
  • You can right-click a group and save its steps as a reusable flow file on disk for use in other flows

Tableau Prep has a new grouping feature that lets you bundle connected steps into a single collapsible unit, making complex flows much easier to read and manage.

Tim demos the feature on a simple existing prep flow shortly after its release, showing what works, what's restricted, and a few rules that catch people out.

The Breakdown
  1. Group a simple connected section 0:10

    Select two or more steps, right-click and choose group. At release this triggers a warning because grouping isn't supported on Tableau Online or its dev instance; click 'use features' to proceed locally, but be aware a published flow containing a group can't be scheduled. Ungrouping is available the same way via right-click.

  2. Expand, collapse, name and describe 1:16

    Click a group to expand or collapse it, and add a name or description to keep track of what it does. The description only appears when the group is collapsed and disappears when expanded, so don't rely on it being visible in the expanded view.

  3. Steps must be directly connected to group 2:16

    You can only group steps that are directly connected in the flow, and a step already in one group can't be added to another. If your target steps aren't sequential, one trick is to physically move and reconnect them so they form a connected chain, then select that section plus the step ahead before grouping.

  4. No nesting groups 3:24

    You can't put a group inside another group. If some of the items you select are already grouped, Tableau Prep blocks the action.

  5. Group whole sections and watch external connections 3:45

    You can group almost an entire section of a flow as long as the steps are connected. Any connection leading out of a grouped step stays visible outside the group rather than being hidden, which is a clean way to keep the flow readable while showing where data still flows onward.

  6. Save a group as a reusable flow file 4:39

    Right-click a group to save its steps as a flow file to disk, which you can then reuse in other flows. Publishing the group to a server isn't an option yet due to the same restriction mentioned earlier.

  7. Check release notes before upgrading 5:11

    This feature shipped slightly out of sync with the main prep release, so check the blog/release notes if you don't see it. As general practice, test any prep upgrade on a non-production machine first, especially if you're deploying with Tableau Server.

Worth Knowing
  • Grouping isn't supported on Tableau Online or its dev instance at release, and a flow with a group can't be scheduled once published
  • Group descriptions vanish when the group is expanded, only showing in the collapsed state
  • Groups can't be nested inside other groups
  • Steps being grouped must be directly connected, which sometimes requires rearranging the flow first
Use It When

Reach for this when a prep flow has grown large and hard to follow, and you want to visually tidy it up or package a reusable chunk of logic to drop into other flows.

How this Rollup was made provenance & method

A Rollup is drafted by AI from the video's transcript, then reviewed and edited by Tim. Everything used to produce this one is listed below — the model, the exact prompt, and the source video — so the process is transparent and reproducible.

Transcription
On-device — NVIDIA Parakeet v3 for recent videos, OpenAI Whisper large-v3 for earlier ones. The transcript never leaves the machine or gets published.
Drafting
Claude Sonnet 5 in the cloud, from that transcript.
Prompt
The exact Rollup prompt (v2) — the full system prompt, unedited.
Source video
Watch on YouTube
Drafted
5 July 2026 at 09:38
Reviewed & edited
5 July 2026 at 09:41 · by Tim Ngwena

Model + prompt + video is everything you'd need to recreate a Rollup like this yourself. The one thing we don't share is the transcript.

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