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

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama Field Service Management

ft:clusterId :

    - fsm

bundleId :

    - fsm

workflow :

    - Customer and Industry


---

# Modify schedule adherence and conformance formulas by using extension points

# Modify schedule adherence and conformance formulas by using extension points {#ariaid-title1}

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

Configure and adjust the schedule adherence and conformance formulas using scripted extension points so that you can customize their calculations for your organization.

## Before you begin

Role required: admin

## Procedure

1. Navigate to AllSystem Extension PointsScripted Extension Points.
2. Search for <kbd class="ph userinput">sn_shift_planning.ScheduleAdherenceExtPt</kbd>.
3. On the form banner, click the link here to edit the record.
4. To create your extension point script, click Create Implementation in the related links.
5. To create your extension point script, click Create Implementation in the related links.
6. Modify the formulas for calculating the schedule adherence and conformance in the `getAdherencePercentage` and `getConformancePercentage` methods.
7. Click Update.
{#modify-schedule-adherence-wfo-fsm__steps_gyd_hdz_fyb}

## Result

The schedule adherence and conformance calculations are based on the formulas in the implementation.

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