---
schema_version: "1"
id: eecc421a09148a2401d6b54149210aa8c8bad754b4e315e2901ce4fb4f73f333
title: Modify a Guest Service Appointment
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/platform/264-0-0/ls_modify_guest_appointment.md
canonical_url: https://help.salesforce.com/s/articleView?id=platform.ls_modify_guest_appointment.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 4f364ad964ae47c75aba3ada20d369572891148e9f7e22b56f67f40cebd2e3d6
description: Guest users can reschedule a service appointment to change the appointment date and time or the selected service resources.
products:
  - Scheduler
  - Salesforce Platform
release: "264"
---
# Modify a Guest Service Appointment

Guest users can reschedule a service appointment to change the appointment date and time or the selected service resources.

### 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>

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small permission">
        <colgroup>
          <col style="width:50%">
          <col style="width:50%">
        </colgroup>
        <thead class="slds-text-title_caps ">
          <tr class="">
            <th scope="colgroup" class="slds-cell-wrap" colspan="2" style="text-align:center;vertical-align:top;" id="d29664e67">User Permissions Needed</th>
          </tr>
        </thead>
        <tbody>
          <tr class="">
            <td data-label="User Permissions Needed" class="slds-cell-wrap" style="vertical-align:top;" headers="d29664e67 ">To run appointment flows:</td>

            <td class="slds-cell-wrap" style="vertical-align:top;" headers="d29664e67 ">Run Flows</td>

          </tr>
          <tr class="">
            <td data-label="User Permissions Needed" class="slds-cell-wrap" style="vertical-align:top;" headers="d29664e67 ">To create and modify appointments in Salesforce Scheduler:</td>

            <td class="slds-cell-wrap" style="vertical-align:top;" headers="d29664e67 ">
              <ul>
                <li>Read, Create, and Edit on service appointments</li>

                <li>Read on accounts, contacts, operating hours, service resources, service territories,
                  work types, and work type groups</li>

              </ul>
            </td>

          </tr>
        </tbody>
      </table>

1. From the appointment confirmation email, click the text with the link to modify the service appointment.
2. Select **Modify Service Appointment**, and then click **Next**.
3. Select a service resource and an available time slot, and then click **Next**.
4. Review the modified service appointment details, and then click **Next**.
5. Click **Finish**.