---
schema_version: "1"
id: 0f399dead68404a7e66dbf097cff1c4a45633a57ce3222e0d04ede2b61db2f06
title: Customize Book Service Appointment
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/xcloud/264-0-0/aslm_customize_book_service_appointment.md
canonical_url: https://help.salesforce.com/s/articleView?id=xcloud.aslm_customize_book_service_appointment.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 962245a91f1f2ff22b5c4aaa8be4b5eed2820a64f080b515d1bfad585a9d1d4b
description: Book Service Appointment (BSA) is made more modular, comprehensive, and customizable by using LWC, Lighting Messaging Services (LMS) and flows. To customize or extend BSA default implementation you can modify the existing flow as well as built custom LWC to add or replace existing ones as per your requirements.
products:
  - Industry Solutions
  - Cross Cloud
release: "264"
---
# Customize Book Service Appointment

Book Service Appointment (BSA) is made more modular, comprehensive, and customizable by using LWC, Lighting Messaging Services (LMS) and flows. To customize or extend BSA default implementation you can modify the existing flow as well as built custom LWC to add or replace existing ones as per your requirements.

### 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: Automotive Cloud, Communications Cloud, Consumer Goods, Energy and Utilities Cloud, Manufacturing Cloud, Service Cloud, and Media Cloud. <a href="https://help.salesforce.com/s/articleView?id=xcloud.aslm_editions.htm&amp;release=264.0.0&amp;type=5" title="Review the supported products and editions for Asset Service Lifecycle Management features.">View edition availability</a>.</td></tr></tbody></table>

You can refer to all the out-of-the-box (OOTB) LWC listed here, [Lightning Web Components for Book Service Appointment](https://help.salesforce.com/s/articleView?id=xcloud.aslm_lightning_web_component_for_book_service_appointment.htm&release=264.0.0&type=5 "BSA is made more modular, comprehensive, and customizable by using LWC, Lighting Messaging Services (LMS), and flows. This sections lists the LWC along with the details such as purpose, inputs, outputs, triggers, and other relevant information") to understand the details such as purpose, inputs, outputs, triggers and all other relevant information.