---
sourceDocument: Australia IT Service Management
sourceDocumentLink: https://www.servicenow.com/docs/r/it-service-management

 Release :

    - australia

ft:locale :

    - en-US

ft:publication_title :

    - Australia IT Service Management

ft:clusterId :

    - itsm

bundleId :

    - itsm

workflow :

    - Technology


---

# Add related tasks to a change schedule

# Add related tasks to a change schedule {#ariaid-title1}

* Release version: Australia
* 
* Updated March 12, 2026
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

Create related definitions to present related tasks for change requests in the change schedule. For example, to view the change tasks associated with a change request, you need to define a related definition.

## Before you begin

* You have activated Change Management - Change Schedule plugin (com.snc.change_management.soc).
* Parent change schedule is defined.
* Role required: itil, sn_chg_soc.change_soc_admin, sn_change_role, sn_change_write roles, sn_change_write, or admin
{#add-related-tasks-to-chng-schedule__ul_gcc_zkf_gdb}

## Procedure

1. Navigate to AllSchedulesChange Schedule Definitions.
2. Select a Change schedule definition.
3. Select New in Related Definition tab.
4. On the form, fill in the fields.  
   {#add-related-tasks-to-chng-schedule__table_shn_gqf_gdb__entry__2}

   | Field | Description |
   |-|-|
   | Name | Name of the related definition. |
   | Change schedule definition | Reference for the parent change schedule. |
   | Active | Check box to select whether the child schedule is active. |
   | Related Records ||
   | Table name | Choice list to select the table on which the Related Definition is based. |
   | Reference field | Reference the Related Definition is based on, for example, change request. |
   | Start date field | Start date field from the related record. |
   | End date field | End date field from the related record. |
   | Condition | Conditions included in the change schedule and the associated ordering of the conditions. For example, to display only implementation tasks, you must build a specific condition that displays implementation tasks. |
   | Record Summary Note: The record summary pop-up appears when you click any span on the change schedule timeline. ||
   | Left column fields | List of fields that appear on the left column of the record summary pop-up. The record summary pop-up appears when you click any span on the change schedule timeline. |
   | Right column fields | List of fields that appear on the right column of the record summary pop-up. The record summary pop-up appears when you click any span on the change schedule timeline. |
   [Table 1. Related Definition form]

   {#add-related-tasks-to-chng-schedule__table_shn_gqf_gdb}  
   Note:  
   You can also add style rules specific to a related task. You can configure the change schedule page to show related tasks for the change, such as implementation tasks.
5. Click Submit.
**Related concepts**   

* [Change schedules view](https://www.servicenow.com/docs/X2wh0ZtuVyWBU~D6~Ig89g "The Change Schedules module provides a Gantt or timeline view of change requests based on criteria defined within a Change Schedule Definition.")
* [Style rules definition](https://www.servicenow.com/docs/DcpEzDSL4iNYP5MNOnx3dg "You can create a style span to specify the color for different events in a change schedule. Style spans in a schedule help to quickly identify characteristics of a change based on a field value from the Change Request.")  
**Related tasks**   

* [Create a change schedule from the Change Schedules page](https://www.servicenow.com/docs/jPwnvMM1TUh8koSoLRTmCA "You can create a change schedule to view all scheduled changes, change tasks, blackout periods, maintenance windows for any given date, week, month, or year.")
* [Create a change schedule from the change schedule definition](https://www.servicenow.com/docs/0zv2amIC4~CG2W9FLc_eyQ "You can define a change schedule from a change schedule definition record. Change schedule definitions help you to define the content that displays in the change summary popover, the users, groups or roles with whom a schedule is to be shared, and related span style colors.")

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