If this policy is enabled, autoplay preferences cannot be changed by the user.
If this policy is disabled or not configured, the user can change autoplay preferences.
| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Mozilla\Firefox\Permissions\Autoplay |
| Value Name | Locked |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |