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

# documentreference_content

The document and format referenced; there may be multiple content element repetitions, each with a different format (`DocumentReference.content[]`).

**Primary Keys:**

* documentreference\_content\_id

**Foreign Keys:**

* documentreference\_id - links to the [document reference](/medical-api/handling-data/schema-v100/documentreference/base) table

| Column | Data Type | Description |
| - | - | - |
| documentreference\_content\_id | varchar | Unique identifier for the content row |
| documentreference\_id | varchar | Parent document reference |
| attachment\_data | varchar | Inline attachment data (e.g. base64) |
| attachment\_contenttype | varchar | MIME type of the attachment |
| attachment\_creation | datetime | When the attachment was created |
| attachment\_hash | varchar | Hash of the attachment content |
| attachment\_language | varchar | Language of the attachment content |
| attachment\_size | integer | Size of the attachment in bytes |
| attachment\_title | varchar | Title of the attachment |
| attachment\_url | varchar | URL of the attachment content |

**Related Tables:**

**Parent:**

* [documentreference](/medical-api/handling-data/schema-v100/documentreference/base)


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