---
title: What does “Required” mean on a component?
description: "If **Required** is checked, the user must fill that field (or select an option) before the flow can be completed. Meta can enforce this on the client. Use it for mandatory fields (e.g. email, phone); leave unchecked for optional fields.…"
url: "https://www.smsgatewaycenter.com/blog/kb/what-does-required-mean-on-a-component/"
updated: "2026-07-17"
category: WhatsApp Business API / WhatsApp Flows
---

# What does “Required” mean on a component?

If **Required** is checked, the user must fill that field (or select an option) before the flow can be completed. Meta can enforce this on the client. Use it for mandatory fields (e.g. email, phone); leave unchecked for optional fields.

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