> ## Documentation Index
> Fetch the complete documentation index at: https://docs.seam.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Entrance Events

> Webhook events that Seam emits for the Entrance resource, with example payloads and properties.

## `acs_entrance.added`

An [access system entrance](https://docs.seam.co/low-level-apis/access-systems/retrieving-entrance-details) was added.

```json Example webhook payload theme={null}
{
  "acs_entrance_id": "00000000-0000-0000-0000-000000000000",
  "acs_system_id": "00000000-0000-0000-0000-000000000000",
  "connected_account_id": "00000000-0000-0000-0000-000000000000",
  "created_at": "2025-01-01T00:00:00.000Z",
  "event_id": "00000000-0000-0000-0000-000000000000",
  "event_type": "acs_entrance.added",
  "occurred_at": "2025-01-01T00:00:00.000Z",
  "workspace_id": "00000000-0000-0000-0000-000000000000"
}
```

<Accordion title="Properties">
  <ResponseField name="acs_entrance_id" type="String (UUID)">
    ID of the affected entrance.
  </ResponseField>

  <ResponseField name="acs_system_id" type="String (UUID)">
    ID of the access system.
  </ResponseField>

  <ResponseField name="connected_account_id" type="String (UUID)">
    ID of the connected account.
  </ResponseField>

  <ResponseField name="created_at" type="String (ISO 8601)">
    Date and time at which the event was created.
  </ResponseField>

  <ResponseField name="event_id" type="String (UUID)">
    ID of the event.
  </ResponseField>

  <ResponseField name="event_type" type="Enum (String)">
    Value: `acs_entrance.added`
  </ResponseField>

  <ResponseField name="occurred_at" type="String (ISO 8601)">
    Date and time at which the event occurred.
  </ResponseField>

  <ResponseField name="workspace_id" type="String (UUID)">
    ID of the workspace associated with the event.
  </ResponseField>
</Accordion>

## `acs_entrance.removed`

An [access system entrance](https://docs.seam.co/low-level-apis/access-systems/retrieving-entrance-details) was removed.

```json Example webhook payload theme={null}
{
  "acs_entrance_id": "00000000-0000-0000-0000-000000000000",
  "acs_system_id": "00000000-0000-0000-0000-000000000000",
  "connected_account_id": "00000000-0000-0000-0000-000000000000",
  "created_at": "2025-01-01T00:00:00.000Z",
  "event_id": "00000000-0000-0000-0000-000000000000",
  "event_type": "acs_entrance.removed",
  "occurred_at": "2025-01-01T00:00:00.000Z",
  "workspace_id": "00000000-0000-0000-0000-000000000000"
}
```

<Accordion title="Properties">
  <ResponseField name="acs_entrance_id" type="String (UUID)">
    ID of the affected entrance.
  </ResponseField>

  <ResponseField name="acs_system_id" type="String (UUID)">
    ID of the access system.
  </ResponseField>

  <ResponseField name="connected_account_id" type="String (UUID)">
    ID of the connected account.
  </ResponseField>

  <ResponseField name="created_at" type="String (ISO 8601)">
    Date and time at which the event was created.
  </ResponseField>

  <ResponseField name="event_id" type="String (UUID)">
    ID of the event.
  </ResponseField>

  <ResponseField name="event_type" type="Enum (String)">
    Value: `acs_entrance.removed`
  </ResponseField>

  <ResponseField name="occurred_at" type="String (ISO 8601)">
    Date and time at which the event occurred.
  </ResponseField>

  <ResponseField name="workspace_id" type="String (UUID)">
    ID of the workspace associated with the event.
  </ResponseField>
</Accordion>