# Attribute

Type: Attribute

Schema: [Attribute](https://sourcey-traccar.pages.dev/api-reference/models/attribute/index.md)

- `id` (optional)
  Type: integer, int64
  
  Unique computed attribute identifier

- `description` (optional)
  Type: string
  
  Human readable name of the attribute

- `attribute` (optional)
  Type: string
  
  Attribute name used in expressions

- `expression` (optional)
  Type: string
  
  Expression that defines how the attribute is calculated

- `type` (optional)
  Type: string
  
  String|Number|Boolean