# Create modality

Creates a new Modality record. Modality resource in the Animal Health Data Store

Endpoint: POST /site/{siteId}/ahds/v1/modality
Version: 1.0
Security: bearer

## Path parameters:

  - `siteId` (number, required)
    Site identifier

## Request fields (application/json):

  - `code` (string, required)
    Practice- or system-specific code for the modality (e.g., 'XR', 'US').

  - `description` (string,null)
    Optional description of the modality.

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

  - `isActive` (boolean)
    Indicates whether this modality is active and can be used.

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

  - `name` (string, required)
    Human-readable name of the modality.

## Response 201 fields (application/json):

  - `code` (string, required)
    Practice- or system-specific code for the modality (e.g., 'XR', 'US').

  - `description` (string,null, required)
    Optional description of the modality.

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

  - `isActive` (boolean, required)
    Indicates whether this modality is active and can be used.

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

  - `name` (string, required)
    Human-readable name of the modality.


## Response 400 fields

## Response 401 fields

## Response 409 fields