> ## Knowledge Base Index
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> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Flow Triggers

# Flow Triggers



Flow triggers are events that can start a flow.

The following flow triggers are available:

![Alarm Resolved](https://storage.crisp.chat/users/helpdesk/website/91fefd8b4b0ac000/image_je0ppy.png)
This trigger starts a flow when an alarm has been raised in the organization.

![Alarm closed](https://storage.crisp.chat/users/helpdesk/website/91fefd8b4b0ac000/image_104j19j.png)
This trigger starts a flow when an alarm in the organization has been closed.

![DWD weather warning](https://storage.crisp.chat/users/helpdesk/website/91fefd8b4b0ac000/image_17nxta9.png)
This trigger starts a flow when there is a [DB Weather Warning](/en/article/flows-cpcy18/#3-dwd-weather-warning) with the properties configured in the trigger. You can read how to set these correctly here.

![Receive Email](https://storage.crisp.chat/users/helpdesk/website/91fefd8b4b0ac000/image_1acmaxs.png)
This trigger starts a flow when an [email received](/en/article/flows-cpcy18/#3-e-mail-received) has been received. In this example, you will find a flow that was triggered by an e-mail. All flow links used are explained.

![Event triggered](https://storage.crisp.chat/users/helpdesk/website/91fefd8b4b0ac000/image_nxninv.png)
This trigger is used to start a flow when an event has been triggered in the organization.

![Event closed](https://storage.crisp.chat/users/helpdesk/website/91fefd8b4b0ac000/image_1y3f2bz.png)
This trigger starts a flow when an event in the organization has been closed.

![IMAP Trigger](https://storage.crisp.chat/users/helpdesk/website/91fefd8b4b0ac000/image_10cd9ji.png)
This [trigger](/en/article/flows-cpcy18/#3-imap-trigger) starts a flow when a new email is received in the configured mailbox. This example shows how the IMAP trigger can be used to read e-mail attachments.

![HTTP Trigger](https://storage.crisp.chat/users/helpdesk/website/91fefd8b4b0ac000/image_1hjbbaq.png)
With this [Trigger](/en/article/flows-cpcy18/#3-http-trigger), a flow is started when an HTTP call is made to the stored URL.

![Tag Trigger](https://storage.crisp.chat/users/helpdesk/website/91fefd8b4b0ac000/image_6dw8o2.png)
This trigger starts a flow when one of the stored tags is triggered.
