interface _OnInstalledDetails {
    id?: string;
    previousVersion?: string;
    reason: OnInstalledReason;
    temporary: boolean;
}
Index
id?: string

Indicates the ID of the imported shared module extension which updated. This is present only if 'reason' is 'shared_module_update'.

Unsupported on Firefox at this time.

previousVersion?: string

Indicates the previous version of the extension, which has just been updated. This is present only if 'reason' is 'update'.

The reason that this event is being dispatched.

temporary: boolean

Indicates whether the addon is installed as a temporary extension.