This operation fetches a paginated list of Device Registrations
with the ID of the User they belong to and the name of the App that they are for.
A Device Registration contains a list of devices registered for a particular User under an App
The Device tokens in the Device Registration are used for delivering Push Notifications to the given App on
devices or browsers belonging to a single User.
Each User will have one Device Registration for each App.
When sending Push Notifications to a User, all of the
devices registered under the Device Registration with the corresponding appName
are targets for the Push Notification.
Basic authentication of the form Basic <account_id:auth_token>.
Basic authentication of the form Basic <api_key:api_key_secret>.
Filter Device Registrations by User.id to retrieve only registrations for that User.
Filter Device Registrations by their appName. Must be accompanied by the userId query parameter.
Metadata for paginated results. This object contains two tokens to navigate through paginated results.
next to retrieve the ‘next’ page in the result list.self to retrieve the same page of the result list again.pageToken query param.