---
schema_version: "1"
id: 74546b8855bf3a8c54d9bf7d258a0c8ef00cd5f1cbdc4737dc47f6a57285a86d
title: Set Up Guest Service Appointment Modification
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/platform/264-0-0/ls_set_up_modifying_guest_appointments.md
canonical_url: https://help.salesforce.com/s/articleView?id=platform.ls_set_up_modifying_guest_appointments.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: d2f776e03daad6b7e2510ed44df227e8656b64550b0a54a2ac68110c7d16e0c0
description: Unauthenticated users (prospects) can modify or cancel their appointments after you configure the Inbound New Guest Appointment flow and Modify Guest Service Appointment flow templates. Set up the email notification templates that are sent when your users modify or cancel their service appointments.
products:
  - Scheduler
  - Salesforce Platform
release: "264"
---
# Set Up Guest Service Appointment Modification

Unauthenticated users (prospects) can modify or cancel their appointments after you configure the Inbound New Guest Appointment flow and Modify Guest Service Appointment flow templates. Set up the email notification templates that are sent when your users modify or cancel their service appointments.

### Required Editions

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small edition"><colgroup><col></colgroup><tbody><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available in: Lightning Experience.</td></tr><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available in: <strong>Enterprise</strong> and <strong>Unlimited</strong> Editions</td></tr></tbody></table>

Salesforce Scheduler provides these email templates for guest service appointments.

  
| Email Template Name | Email Template API Name | Description |
| --- | --- | --- |
| Scheduled Service Appointment Confirmation Email | SalesforceSchedulerCreateApptEmailTemplate | Email template to confirm the scheduling of a service appointment. |
| Rescheduled Service Appointment Confirmation Email | SalesforceSchedulerModifyApptEmailTemplate | Email template to confirm the rescheduling of a service appointment. |
| Canceled Service Appointment Confirmation Email | SalesforceSchedulerCancelApptEmailTemplate | Email template to confirm the canceling of a service appointment. |

If you’re creating a custom email template, add these keywords in the href tag that invokes the Modify Guest Service Appointment flow.

- For a custom template for Scheduled Service Appointment Confirmation Email, add \[\[MODIFY\_APPT\_FLOW\_URL\]\].
- For a custom template for Rescheduled Service Appointment Confirmation Email, add \[\[MODIFY\_APPT\_FLOW\_URL\]\].
- For a custom template for Canceled Service Appointment Confirmation Email, add \[\[CREATE\_APPT\_FLOW\_URL\]\].

![Example](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-platform-scheduler-264-0-0-production-enus/0530be2f-891f-4263-a0d7-96ddca56a717/images/icon_example.png)

Example

`<p> If you change your mind, <a href=＂modify [[MODIFY_APPT_FLOW_URL]]＂> cancel the appointment</a>.</p>` 

- **[Configure the Inbound New Guest Appointment Flow](https://help.salesforce.com/s/articleView?id=platform.ls_configure_inbound_new_guest_appointment_flow.htm&release=264.0.0&type=5)**  
    Assign email notification templates that are sent to the guest users when they create an appointment. The email notification templates include a link that invokes the Modify Guest Service Appointment flow. To invoke the flow, set the URL for the experience site that has the Modify Guest Service Appointment flow added.
- **[Configure the Modify Guest Service Appointment Flow](https://help.salesforce.com/s/articleView?id=platform.ls_configure_modify_guest_service_appointment.htm&release=264.0.0&type=5)**  
    Assign the confirmation email notification templates that are sent to the guest users when they modify or cancel their appointments. The email notification templates include a link that invokes the Inbound New Guest Appointment flow. To invoke the flow, set the URL for the experience site that has the Inbound New Guest Appointment flow added.
- **[Set Up Experience Site for Modifying Guest Service Appointments](https://help.salesforce.com/s/articleView?id=platform.ls_set_up_experience_site_for_modify_guest_appointments.htm&release=264.0.0&type=5)**  
    Create an experience site that your authenticated users (prospects) can use to modify their service appointments.

#### See Also

- [Guest Service Appointment Management in Salesforce Scheduler](https://help.salesforce.com/s/articleView?id=platform.ls_manage_appointments_for_guest_users.htm&release=264.0.0&type=5 "Guest users can modify appointments to reschedule them or change service resources, and cancel appointments. To notify guest users of their scheduled appointment, configure email notifications by using the available email templates. The email templates include the links that invoke the flow that modifies and cancels a guest user service appointment. If a guest user cancels the appointment, the confirmation email template includes a link to create another appointment.")