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

# DevinApi.SessionAttachment

> An attachment sent during a session.

## Properties

**attachment\_id** `string` *required*

**content\_type** `string | null`

**name** `string` *required*

**source** `Source` *required*

**url** `string` *required*


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