**Service** **ForecastService** [LineItemService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemService.GrpProvider) [ProposalLineItemService](https://developers.google.com/ad-manager/api/reference/v202605/ProposalLineItemService.GrpProvider) **Dependencies** [GrpSettings](https://developers.google.com/ad-manager/api/reference/v202605/ForecastService.GrpSettings) ▼ **GrpProvider**

Represents available GRP providers that a line item will have its target demographic measured
by.

*** ** * ** ***

Namespace
:
    `https://www.google.com/apis/ads/publisher/v202605`

| Enumeration | Description |
|---|---|
| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |
| `NIELSEN` |   |