# Create a note on an activity specified by activity identifier.

Endpoint: POST /api/v3/activities/{id}/notes
Version: 3.0.4
Security: OAuth2

## Path parameters:

  - `id` (integer, required)

## Request fields (application/json):

  - `note` (string)

  - `private` (boolean)

## Response 200 fields (application/json):

  - `id` (integer)
    Unique identifier of the activity note

  - `activity` (object)
    Summary of the associated activity

  - `activity.id` (integer)
    Unique identifier of the activity

  - `activity.subject` (string)
    Subject of the activity

  - `activity.dueDate` (string)
    Due date of the activity

  - `activity.scheduledDate` (string)
    Scheduled date of the activity

  - `note` (string)
    Content of the note

  - `noteCategory` (object)
    Note category identifier

  - `noteCategory.id` (integer)
    Unique identifier of the note category

  - `noteCategory.name` (string)
    Name of the note category

  - `noteCategory.defaultCategory` (boolean)
    Indicates if this is the default category

  - `noteCategory.buildingLimit` (integer)

  - `noteCategory.default` (integer)

  - `noteCategory.nameLowercase` (string)

  - `building` (object)
    Building associated with the unit type

  - `building.id` (integer)
    Unique identifier of the building

  - `building.name` (string)
    Name of the building

  - `created` (string)
    Creation timestamp of the note

  - `createdBy` (object)
    User who started the issue

  - `createdBy.id` (integer)
    The unique identifier of the user

  - `createdBy.firstName` (string)
    The first name of the user

  - `createdBy.lastName` (string)
    The last name of the user

  - `createdBy.username` (string)
    The username of the user

  - `updatedBy` (object)
    User who started the issue

  - `lastUpdated` (string)
    Timestamp of the last update

  - `private` (boolean)