---
title: Why is there always a button at the bottom of each screen?
description: "Meta’s Flow design requires one primary action per screen (e.g. “Continue” or “Done”). The builder adds this **button** automatically. On all but the last screen it **navigates** to the next screen; on the **last (terminal)** screen it **completes** the flow…"
url: "https://www.smsgatewaycenter.com/blog/kb/why-is-there-always-a-button-at-the-bottom-of-each-screen/"
updated: "2026-07-13"
category: WhatsApp Business API / WhatsApp Flows
---

# Why is there always a button at the bottom of each screen?

Meta’s Flow design requires one primary action per screen (e.g. “Continue” or “Done”). The builder adds this **button** automatically. On all but the last screen it **navigates** to the next screen; on the **last (terminal)** screen it **completes** the flow and submits the data.

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