Get list of Companies, from attendee profile, of attendees of an event with pagination

This API is used to get the list of companies of all the attendees of the event. The returned list is paginated and sorted alphabetically. To call this API, you need to pass,

1. the eventurl in the path parameter.
2. authorisation token in the header.
3. A JSON object, in the request body, which should have page size, page and a search string. The search string can be empty to fetch all the companies. If any value is passed in the search string parameter then only the companies whose name matches the search string will be returned.

The response includes total records, filtered records, list of JSON elements representing the company. If there is any error then an error message will also be present.