# Return a list of columns of the specified Realtime Key Event

Return a list of columns of the specified Realtime Key Event

Endpoint: GET /audiences/{audienceId}/realtime_key_events/{realtimeKeyEventId}/columns
Version: 1.0.0
Security: TdApikeyAuth

## Path parameters:

  - `audienceId` (integer, required)
    Audience ID

  - `realtimeKeyEventId` (integer, required)
    Realtime Key Event ID

## Response 200 fields (application/json):

  - `queryAs` (string, required)

  - `dataColumn` (string, required)

  - `dataType` (string, required)
    Type of the column
    Enum: "string", "number", "timestamp", "string_array", "number_array"