[null,null,["Last updated 2024-09-18 UTC."],[],["The core content describes the process of creating a proposal via an HTTP POST request to `https://adexchangebuyer.googleapis.com/v2beta1/accounts/{accountId}/proposals`. The `accountId` is a string-type path parameter specifying the buyer's account. The request body utilizes the `Proposal` instance. A successful response will return a newly created `Proposal` instance. Authorization requires the `https://www.googleapis.com/auth/adexchange.buyer` OAuth scope. The server assigns unique IDs to all created proposals.\n"]]