Computes the number of fields that this event uses internally for the values. Tags are not fields in most cases.
| Parameter | Type | Required | Default Value | Description |
|---|---|---|---|---|
as | string | optional[a] | _eventFieldCount | Name of output field. |
[a] Optional parameters use their default value unless explicitly set. | ||||
Note
The eventFieldCount() function must be used before any aggregate function, otherwise the field count will not be returned.