# Workflow Trigger: Invoice

_In this article, we will explain how to set up a workflow trigger: Invoice, and how it can be used_

* Select the “**Add New Workflow Trigger**” button
* _This will pull up a list of selections of triggers on the right-hand side of the screen_

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* Scroll down until you see the “**Payments**” column
  * Select the “**Invoice**” button

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* Choose sent or paid as an invoice status

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* **Please note:** _The only filters are if the invoice has been **Sent** or **Paid**_
* _You can trigger an automation based on if you sent an invoice to a particular contact, or if a contact has paid an invoice_
* **For Example**: _Send a notification email whenever you send an email. “Hey please make sure to check your email because we just sent you an invoice.” (see below)_

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* Once complete please make sure you select the green “**Save Action**” button on the bottom right before closing the trigger or moving on to another step

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