> ## Documentation Index > Fetch the complete documentation index at: https://clickflare.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Form submission trigger > Harnessing ClickFlare Tag Manager: Form Submission Trigger Setup Made Simple Under the *User Engagement* trigger group, you can find the form submission trigger. The ClickFlare Tag Manager's form submission trigger fires a tag when a form has been sent. To configure a form submission trigger: 1. Click **Triggers > New**. 2. Click **Trigger Configuration** and choose the **Form Submission** trigger type. 3. Optionally, you can select a condition for when the trigger should fire, like a *Form ID* Optionally, you can select a condition for when the trigger should fire, like a Form ID When a form submission trigger is activated, ClickFlare Tag Manager allows you to gather information entered by the user into the various form fields. This can be achieved by using ClickFlare's built-in variables, like **Form field.** This can be achieved by using ClickFlare's built-in variables, like Form field ### Related Sources * [Trigger Types](/docs/en/tag-manager-1/trigger-types) * [How triggers work](/docs/en/tag-manager-1/about-triggers) * [Built-in variables](/docs/en/tag-manager-1/about-built-in-variables)