# Event webhooks

{% hint style="info" %}
Utilize webhooks to receive real-time event notifications to a third-party integration 
{% endhint %}

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**New form submission**\
Triggers when a contact subscribes through a popup, slideout, hellobar, embedded, or 3rd party connected form.

**Contact has been added to a list**\
Triggers when a contact is added to a list.

**Contact has been tagged**\
Triggers when a tag is added to a contact.

**Contact has been untagged**\
Triggers when a tag is removed from a contact.

**Contact was sent a message**\
Triggers when a contact is sent a broadcast, funnel, or transactional message.

**Contact opened a message**\
Triggers when a contact opens a message.

**Contact clicked a link in a message**\
Triggers when a contact clicks a link in a message.

**Contact unsubscribed**\
Triggers when contact has been unsubscribed.

**Contact complained**\
Triggers when contact uses the "spam button" or "junk button" to signal they've received unwanted mail.

**Contact soft-bounced**\
Triggers when contact bounces for temporary reasons such as exceeding their mailbox quota.

**Contact hard-bounce**\
Triggers when retrying delivery to contact in the future will not succeed, usually because the email address doesn't exist.

**Contact opened or clicked**\
Triggered by contact opening a message or clicking a link in a message - two triggers in one event.

**Contact soft-bounced or hard-bounced**\
Triggered when contact is undeliverable for any reason - two triggers in one event.

**Contact unsubscribed or complained**\
Triggered when contact has been unsubscribed or uses the "spam button" or "junk button" - two triggers in one event.