> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.cal.id/sitemap.xml
> 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).

# Customizing Your Workflow Messages

A **custom template** gives you full control over how your reminders and notifications look — sender name, subject, and body.

| Turn on customization

In the **Message template** field, select **Custom** from the dropdown. This unlocks the sender name, subject, and email body for editing.

![](https://storage.crisp.chat/users/helpdesk/website/-/6/f/1/c/6f1c2c7b8034d000/image_1xvj7zd.png =1171x615)

| Personalize the sender

Change the **Sender Name** to your own name, your company, or a specific department to build trust with attendees.

![](https://storage.crisp.chat/users/helpdesk/website/-/6/f/1/c/6f1c2c7b8034d000/image_1hrwo2u.png =1165x615)

| Craft the subject line

The subject is the first thing attendees see:

* Write a clear, relevant subject from scratch.
* Use the **Add variable** dropdown to drop in `{EVENT_NAME}` or `{ATTENDEE}` so it stands out in a busy inbox.

![](https://storage.crisp.chat/users/helpdesk/website/-/6/f/1/c/6f1c2c7b8034d000/image_g94mux.png =1171x615)

| Use variables

Use the **Add variable** dropdown in the Subject and Email Body to keep every message personal and accurate. Commonly used:

* `{EVENT_NAME}` — the meeting title
* `{EVENT_DATE}` — the session date
* `{LOCATION}` — the address or meeting details
* `{MEETING_URL}` — the video call link (Zoom, Google Meet, etc.)
* `{ATTENDEE}` — attendee's full name
* `{ATTENDEE_FIRST_NAME}` — attendee's first name
* `{ATTENDEE_LAST_NAME}` — attendee's last name
* `{ORGANIZER_NAME}` — the organizer's name
* `{CANCEL_URL}` — cancellation link
* `{RESCHEDULE_URL}` — reschedule link
* `{ATTENDEE_TIMEZONE}` — attendee's timezone

> **Note:** SMS workflow templates can't be customized. To customize WhatsApp messages, [integrate WhatsApp Business](https://help.cal.id/en/article/integrate-whatsapp-business-1gw0ezw/).