# CreateStandaloneAdRequestPlatformSpecificData
## Enum Variants
| Name | Description |
|---- | -----|
| LinkedInAdsPlatformData | Platform-specific options. The platform is derived from `accountId`; sending options for a different platform returns a 400. LinkedIn (campaign bidding and delivery controls) and Meta (the bid trio) have options today. **Meta**: `bidStrategy`, `bidAmount` and `roasAverageFloor` may be sent here instead of at the root — the preferred home going forward. Sending the bid fields in BOTH places returns a 400 (`mutually_exclusive_fields`), and sending any of them in `adSetId` attach mode is a 400 too (the ad set already has its bid). |
| MetaAdsPlatformData | Platform-specific options. The platform is derived from `accountId`; sending options for a different platform returns a 400. LinkedIn (campaign bidding and delivery controls) and Meta (the bid trio) have options today. **Meta**: `bidStrategy`, `bidAmount` and `roasAverageFloor` may be sent here instead of at the root — the preferred home going forward. Sending the bid fields in BOTH places returns a 400 (`mutually_exclusive_fields`), and sending any of them in `adSetId` attach mode is a 400 too (the ad set already has its bid). |
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