Service to serve order tracking signals public API.

| [CreateOrderTrackingSignal](https://developers.google.com/merchant/api/reference/rpc/google.shopping.merchant.ordertracking.v1/OrderTrackingSignalsService/CreateOrderTrackingSignal) |
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| `` rpc CreateOrderTrackingSignal(`https://developers.google.com/merchant/api/reference/rpc/google.shopping.merchant.ordertracking.v1/Types/CreateOrderTrackingSignalRequest`) returns (`https://developers.google.com/merchant/api/reference/rpc/google.shopping.merchant.ordertracking.v1/Types/OrderTrackingSignal`) `` Creates new order tracking signal. Authorization scopes :   Requires the following OAuth scope: - `https://www.googleapis.com/auth/content` For more information, see the [OAuth 2.0 Overview](https://developers.google.com/identity/protocols/OAuth2). |