Criteria
Parameters
A two-letter language code. The the must declare an Accept-Language
header with this language in order to match this object.
One or more data groups; the user must have all these data groups to match.
One or more data groups; the user must have none of these data groups to match.
One or more substudy IDs; the user must be assigned to all these substudies to match.
One or more substudy IDs; the user cannot be assigned to any of these substudies for the associated object to match.
A map of operating system names to minimum app versions. The user must send a User-Agent
header in a prescribed format, that declares the app version to be equal to or greater than this version number, in order to match.
A map of operating system names to minimum app versions. The user must send a User-Agent
header in a prescribed format, that declares the app version to be equal to or less than this version number, in order to match.
Criteria