Companions are not required to serve a creative set. The creative set can
serve to inventory that has zero or more matching companions.
AT_LEAST_ONE
At least one companion must be served in order for the creative set to be used.
ALL
All companions in the set must be served in order for the creative set to
be used. This can still serve to inventory that has more companions
than can be filled.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-13 UTC."],[],[],null,["# enum CompanionDeliveryOption (v202508)\n\n**Service** \n[ForecastService](/ad-manager/api/reference/v202508/ForecastService.CompanionDeliveryOption) [LineItemService](/ad-manager/api/reference/v202508/LineItemService.CompanionDeliveryOption) **ProposalLineItemService** **Dependencies** \n[ProposalLineItem](/ad-manager/api/reference/v202508/ProposalLineItemService.ProposalLineItem) \n▼\n**CompanionDeliveryOption**\n\nThe delivery option for companions. Used for line items whose environmentType is\n[EnvironmentType.VIDEO_PLAYER](/ad-manager/api/reference/v202508/ProposalLineItemService.EnvironmentType#VIDEO_PLAYER).\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202508`\n\n| Enumeration | Description |\n|----------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `OPTIONAL` | Companions are not required to serve a creative set. The creative set can serve to inventory that has zero or more matching companions. |\n| `AT_LEAST_ONE` | At least one companion must be served in order for the creative set to be used. |\n| `ALL` | All companions in the set must be served in order for the creative set to be used. This can still serve to inventory that has more companions than can be filled. |\n| `UNKNOWN` | The delivery type is unknown. |"]]
