TTMSFNCWebPushDBBeforeSubscriptionEvent Event Type

Signals that a subscription operation is about to run and lets the handler approve or veto it.

API unit family: TMS.TMSFNCWebPushDB

Parameters

Name	Description
Sender	Component that raised the event.
ASubscription	Subscription payload involved in the operation.
AUserID	User identifier associated with the subscription, or an empty string when the user identifier column is not active.
ABrowserID	Browser or device identifier associated with the subscription, or an empty string when the browser identifier column is not active.
AAllow	Pass False to cancel the pending operation. Defaults to True when the handler leaves it unchanged.