# alert.list_categories

List all types of alerts which the system can issue.

Type: object

##

Type: array
No Additional Items

##

#### Result

Type: array of object
No Additional Items

##### Each item of this array must be:

#### AlertCategory

Type: object
No Additional Properties

##

#### Id

Type: string

##

#### Title

Type: string

##

#### Classes

Type: array of object
No Additional Items

##### Each item of this array must be:

#### AlertCategoryClass

Type: object
No Additional Properties

##

#### Id

Type: string

##

#### Title

Type: string

##

#### Level

Type: string

##

#### Proactive Support

Type: boolean

Required roles: ALERT_LIST_READ