OptionalauthenticationOptionallocaleThe locale of the current user. Must comply with IETF’s BCP 47 definition: https://www.rfc-editor.org/rfc/bcp/bcp47.txt.
OptionalpipelineThe name of the query pipeline to use for the query (for example, External Search).
OptionalproxyThe base URL to use to proxy Coveo search requests (for example, https://example.com/search).
This is an advanced option that you only set if you proxy Coveo searchrequests through your own server. In most cases, you should not set this option.
OptionalsearchThe first level of origin of the request, typically the identifier of the graphical search interface from which the request originates (for example, ExternalSearch).
OptionaltimezoneThe tz database identifier of the time zone of the user.
Specifies the name of the authentication providers to use to perform queries.
See SAML Authentication.