# GAL - Global Address List

The GAL data source in SCA provides access to **Organizational Contacts (orgContacts)** from your Microsoft Entra ID tenant. These represent external individuals or groups that your organization collaborates with (e.g., vendors, partners). Contacts are queried via the **Microsoft Graph API**, and accounts are managed in your [Microsoft 365 Admin Center](https://admin.microsoft.com/#/Contact). 

#### App Configuration Parameters

**Defaults (**[**`SecContacts.Defaults`**](https://docs.secure-contacts.com/app-configuration-policy-name-values-for-sca/sca-configuration-seccontacts.defaults#enable-or-disable-features)**):**

* [**GAL\_Enabled**](https://docs.secure-contacts.com/app-configuration-policy-name-values-for-sca/sca-configuration-seccontacts.defaults#list-of-features-or-default-name) → Enables or disables the GAL data source.
* [**GAL\_InitValue**](https://docs.secure-contacts.com/app-configuration-policy-name-values-for-sca/sca-configuration-seccontacts.defaults#initial-value-set-by-default) → Sets the default position of the user’s switch for this data source (on = shown, off = hidden) when SCA is first launched.

**Customization:**

* [**SecContacts.CustomDatasourceNames**](https://docs.secure-contacts.com/documentation/app-configuration-policy-name-values-for-sca/sca-configuration-seccontacts.customdatasourcenames) → Assign friendly display names for the GAL source.

#### Requirements for Contacts

Any GAL (orgContact) to be shown in SCA **must have the following fields populated**:

1. **First name**
2. **Last name**
3. **Valid phone number**

**Note:** All eligible orgContacts that meet these requirements will appear in SCA.

{% hint style="success" %}

* Each data source, including GAL, can be **hidden by the user** if they do not want to see or use it.
* Hiding the GAL data source does **not affect Caller Identification** — contacts from hidden sources will still resolve incoming calls.
  {% endhint %}