TTMSFNCWebPushDB.OnBeforeDeleteSubscription Event
Occurs before a subscription is removed and lets the handler veto the removal.
API unit family: TMS.TMSFNCWebPushDB
Declaring type: TTMSFNCWebPushDB
Inherited from: TTMSFNCCustomWebPushDB
Syntax
OnBeforeDeleteSubscription: TTMSFNCWebPushDBBeforeSubscriptionEvent;
Parameters
| Name | Description |
|---|---|
Sender |
The store that raised the event. |
ASubscription |
The subscription payload pending deletion. |
AUserID |
The associated user identifier, when available. |
ABrowserID |
The associated browser or device identifier, when available. |
AAllow |
Set to False to cancel the deletion. |