> ## Documentation Index
> Fetch the complete documentation index at: https://docs.brew.new/llms.txt
> Use this file to discover all available pages before exploring further.

# Run a One-Off Flow to a Saved Audience

> Use a manual-audience automation to send a multi-step sequence (waits, filters, splits and all) to a saved audience, on demand.

Sometimes you want more than a single blast but less than a forever-running automation. A product launch is the classic case: an announcement, a follow-up two days later, but only to people who didn't open the first one. That's a flow, not an email. It just needs to run **once**, against an audience you choose, at a moment you choose.

That's exactly what a [manual-audience automation](/create-emails/automations#manual-audience) is for. You build a normal flow (sends, waits, filters, splits) but instead of listening for an event forever, it runs your saved audience through the graph when you launch it. Treat it as a one-off, not a live automation.

This recipe builds a two-stage launch sequence. The same pattern works for event invites, seasonal promos, or any send where the follow-up depends on what happened in the first email.

<Info>
  **Before you start.** You need a [verified sending domain](/get-started/verify-your-sending-domain) and at least one [saved audience](/audience/create-audiences).
</Info>

## 1. Save the Audience

Go to **Audience** in the sidebar and build the segment you want to hit: filter by plan, activity, custom fields, whatever defines the group. Click **Save as Audience** and give it a clear name.

The automation's trigger node will show this audience, its filter query, and the live contact count, so you can sanity-check who's in scope before anything sends.

## 2. Generate the Flow

Open **Home** and describe the sequence, making the one-off intent explicit:

```text theme={null}
Build a one-off launch flow I can run manually against my "Newsletter
subscribers" audience.

Email 1: announce [feature]. What it does, why it matters, one CTA to try it.
Wait 2 days.
Filter: only contacts who did NOT open email 1.
Email 2: shorter follow-up. Different subject line, same CTA. Casual tone:
"in case you missed it," not a re-send.
```

Brew opens the flow on its own canvas with the trigger, both emails, the wait, and the filter in place. If the trigger isn't already set to your audience, click the trigger node and use **Change trigger** to switch it to the right one.

## 3. Review the Emails

Click each **Send Email** node to review and refine, either in chat (*"Tighten the follow-up subject line"*) or by editing the email directly. Personalize with `{{{firstName | there}}}` as usual.

The filter node is what makes this a flow instead of two blasts: contacts who opened email 1 exit quietly, and only non-openers get the nudge.

## 4. Test the Run

Click **Test automation**, enter your own email address, and fire the test. Brew runs the entire graph: waits fast-forward, the filter evaluates, and every send lands in your inbox only. Real contacts are never hit on test runs.

## 5. Run It

When it looks right, launch the run. There's no publish step: a manual-audience automation has nothing to leave running in the background. While contacts are moving through the flow, the automation shows **Sending** in the Automations list; when the run completes, it shows **Sent**.

<Note>
  Every send in the run counts toward your monthly send limit, so check the contact count on the trigger node before launching. From the [API](/api-reference/api/api-introduction) you can also pass `dry_run: true` to preview the exact recipient count without sending, or `scheduledAt` to launch the run later.
</Note>

## 6. Reuse It Next Time

The flow stays in your Automations list after the run. For the next launch, open it, swap the email content in chat (*"Update this for the \[new feature] launch"*), point **Change trigger** at a different audience if needed, and run it again. Each run is tracked separately, so the history of past launches stays intact.

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