[Home](./index.md) > [sip.js](./sip.js.md) > [Subscription](./sip.js.subscription.md) > [delegate](./sip.js.subscription.delegate.md) ## Subscription.delegate property Subscription delegate. See [SubscriptionDelegate](./sip.js.subscriptiondelegate.md) for details. Signature: ```typescript delegate: SubscriptionDelegate | undefined; ```