---
title: Services To Oncall Units
description: Datadog, the leading service for cloud-scale monitoring.
breadcrumbs: Docs > DDSQL Reference > Data Directory > Services To Oncall Units
---

> For the complete documentation index, see [llms.txt](https://docs.datadoghq.com/llms.txt).

# Services To Oncall Units

Mapping table linking service to oncall_unit.

```
dd.services_to_oncall_units
```

## Fields

| Title          | ID             | Type | Data Type | Description                                                            |
| -------------- | -------------- | ---- | --------- | ---------------------------------------------------------------------- |
| Service Name   | service_name   | core | string    | This column references the "name" column of the "dd.services" table.   |
| Oncall Unit ID | oncall_unit_id | core | string    | This column references the "id" column of the "dd.oncall_units" table. |