# Inbound Trunk Group Object

Trunk Group Object attributes.

## Attributes

| Name | Type | Description |
| --- | --- | --- |
| name | `string` | Trunk Group name. |
| external\_reference\_id | `string` | Optional identifier for the trunk group in the customer's external system. Maximum length is 100 characters. |
| capacity\_limit | `integer` | Maximum number of simultaneous calls for the Trunk Group. |
| created\_at | `DateTime` | Trunk Group creation date and time. |

## Relationships

| Name | Type | Description |
| --- | --- | --- |
| voice\_in\_trunks | to-many | [Inbound Trunk Object](../voice-in-trunks/voice-in-trunk-object.html#voice-in-trunk-object-v34). Returns the inbound trunks linked to the trunk group. |

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