## $$PREBID_GLOBAL$$ * [$$PREBID_GLOBAL$$](#module_$PREBID_GLOBAL$) * [~clearPlacements()](#module_$PREBID_GLOBAL$..clearPlacements) * ~~[~options](#module_$PREBID_GLOBAL$..options) : Object~~ ### $$PREBID_GLOBAL$$~clearPlacements() When a request for bids is made any stale bids remaining will be cleared for a placement included in the outgoing bid request. **Kind**: inner method of [$PREBID_GLOBAL$](#module_$PREBID_GLOBAL$) ### ~~$$PREBID_GLOBAL$$~options : Object~~ ***Deprecated*** Set config for server to server header bidding **Kind**: inner typedef of [$PREBID_GLOBAL$](#module_$PREBID_GLOBAL$) **Properties** | Name | Type | Description | | --- | --- | --- | | enabled | boolean | enables S2S bidding | | bidders | Array.<string> | bidders to request S2S === optional params below === | | endpoint | string | endpoint to contact | | timeout | number | timeout for S2S bidders - should be lower than `pbjs.requestBids({timeout})` | | adapter | string | adapter code to use for S2S | | syncEndpoint | string | endpoint URL for syncing cookies | | cookieSet | boolean | enables cookieSet functionality |