---
sourceDocument: Yokohama Employee Service Management
sourceDocumentLink: https://www.servicenow.com/docs/r/yokohama/employee-service-management

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama Employee Service Management

ft:clusterId :

    - emplsm

bundleId :

    - emplsm

workflow :

    - Employee


---

# Extend On-Call Scheduling users

# Extend On-Call Scheduling users to initiate Microsoft Teams Chat {#ariaid-title1}

* Release version: Yokohama
* 
* Updated January 30, 2025
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

View the list of On-Call Scheduling users in Start Microsoft Teams chat for a change, request, or a request item.

## Before you begin

Role required: admin

## Procedure

1. In the navigation filter, enter <kbd class="ph userinput">sys_properties.list</kbd>.  
   The list of properties in the System Properties \[sys_properties\] table appears.

2. In the Name search field, enter <kbd class="ph userinput">sn_tcm_collab_hook.on_call_tables_for_start_chat_action</kbd>.
3. Select sn_tcm_collab_hook.on_call_tables_for_start_chat_action system property.  
4. In the Value field, provide the tables to which you must extend the functionality.  
   Example: change, request.
5. Select Update.