---
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title: Core Data Model
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version: current
locale: en-us
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canonical_url: https://developer.salesforce.com/docs/platform/data-models/guide/field-service-core-data-model.html
source_site: developer.salesforce.com
content_type: documentation
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  - Data Model Gallery
  - Salesforce Diagrams
---
# Core Data Model

Core entities and relationships for Field Service and Operations including work orders, service appointments, resources, territories, and scheduling.

![Data model diagram for Field Service and Operations Core](https://developer.salesforce.com/media/field-service-core-data-model-042826.png)

_To view a higher-resolution version of this diagram, right-click (or Control-click on Mac) and select "Open Image in New Tab."_

[Customizable Lucidchart Template](https://lucid.app/lucidchart/editNewOrRegister/81a4eb90-5dfa-44b1-8162-2c91a8995e2e)

## Entities/Objects Included

Account, Assigned Resource, Asset, Case, Contact, Entitlement, Operating Hours, Parent Record, Resource Absence, Resource Preference, Service Appointment, Service Contract, Service Crew, Service Crew Member, Service Resource, Service Resource Capacity, Service Resource Preference, Service Resource Skill, Service Territory, Service Territory Location, Service Territory Member, Shift, Skill, Skill Requirement, Skill Type, Time Slot, User, Work Order, Work Order Line Item, Work Type

## More Info

- [Field Service and Operations Data Objects](https://developer.salesforce.com/docs/atlas.en-us.field_service_dev.meta/field_service_dev/fsl_dev_soap.htm)

## How Do I Read These Diagrams?

See [Salesforce Data Model Notation](https://developer.salesforce.com/docs/platform/data-models/salesforce-data-model-notation.md).