InstallationSource

An enumeration that indicates how the script came to be installed as an add-on for the current
user.

To call an enum, you call its parent class, name, and property. For example, `
ScriptApp.InstallationSource.APPS_MARKETPLACE_DOMAIN_ADD_ON`.

### Properties

| Property | Type | Description |
|---|---|---|
| `APPS_MARKETPLACE_DOMAIN_ADD_ON` | `Enum` | Add-on was installed by the administrator for the user's domain. |
| `NONE` | `Enum` | Script is not running as an add-on. |
| `WEB_STORE_ADD_ON` | `Enum` | Add-on was installed by the user from the Chrome Web Store. |