# ReportGroupKeyInput

input type

One group key: a roster field of the terminal family of kind enum · reference · text · flag · date; `bucket` is REQUIRED on a date field and FORBIDDEN on every other kind.

## Fields

| Field | Type | Required | Notes |
| --- | --- | --- | --- |
| `field` | [String](/types/#scalars) `String!` | yes | No further notes. |
| `bucket` | [ReportDateBucket](/types/ReportDateBucket/) | no | No further notes. |