Union parameter owner. Required. Identifies the DV360 entity that owns the inventory source group. It can be either a partner or an advertiser. owner can be only one of the following:
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-25 UTC."],[],["The Display & Video 360 API v4, in beta, allows creating new inventory source groups via a `POST` request to `https://displayvideo.googleapis.com/v4/inventorySourceGroups`. The request requires an `owner` parameter, specifying either a `partnerId` or `advertiserId` to identify the owning entity. The request body must contain an `InventorySourceGroup` instance. A successful request returns the newly created `InventorySourceGroup`. This action requires the `https://www.googleapis.com/auth/display-video` authorization scope.\n"]]