# Update attachment

Partially updates an existing Attachment. Only provided fields will be updated.

Endpoint: PATCH /site/{siteId}/ahds/v1/attachment/{attachmentId}
Version: 1.0
Security: bearer

## Path parameters:

  - `siteId` (number, required)
    Site identifier

  - `attachmentId` (string, required)
    Attachment unique identifier (UUID)

## Request fields (application/json):

  - `extensions` (object)
    Vendor- or practice-specific extension fields.

  - `fileDownloadUrl` (string)
    URL that can be used to download the file content, subject to authorization.

  - `fileId` (string)
    Identifier of the underlying stored file object.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `isActive` (boolean)
    Whether the attachment is active and should be shown in client applications.

  - `isPrimaryImage` (boolean)
    Whether this attachment is the primary image for the associated record.

  - `mimeType` (string)
    MIME type of the attached file (e.g. 'image/jpeg', 'application/pdf').

  - `name` (string)
    Human-readable name or title of the attachment.

  - `notes` (string)
    Free-text notes related to the attachment.

  - `recordId` (string)
    Identifier of the record this attachment is linked to.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `recordType` (string)
    Type of record this attachment is associated with (e.g. 'Animal', 'Contact', 'Consult').

## Response 200 fields (application/json):

  - `attachmentId` (string, required)
    Canonical identifier for the attachment.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `createdAt` (string, required)
    Timestamp when the attachment record was created.
    Example: "2025-01-01T00:00:00.000Z"

  - `extensions` (object, required)
    Vendor- or practice-specific extension fields.

  - `fileDownloadUrl` (string, required)
    URL that can be used to download the file content, subject to authorization.

  - `fileId` (string, required)
    Identifier of the underlying stored file object.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `isActive` (boolean, required)
    Whether the attachment is active and should be shown in client applications.

  - `isPrimaryImage` (boolean, required)
    Whether this attachment is the primary image for the associated record.

  - `mimeType` (string, required)
    MIME type of the attached file (e.g. 'image/jpeg', 'application/pdf').

  - `name` (string, required)
    Human-readable name or title of the attachment.

  - `notes` (string, required)
    Free-text notes related to the attachment.

  - `recordId` (string, required)
    Identifier of the record this attachment is linked to.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `recordType` (string, required)
    Type of record this attachment is associated with (e.g. 'Animal', 'Contact', 'Consult').

  - `updatedAt` (string, required)
    Timestamp when the attachment record was last updated.
    Example: "2025-01-01T00:00:00.000Z"


## Response 400 fields

## Response 401 fields

## Response 404 fields