can not execute '/metrics/meetings/{meetingId}/participants' api

i am paid account(API Plan), i execute the api, the server response 

{ "code": 200, "message": "Only available for paid account and enabled Dashboard feature." }

how can i enabled Dashboard feature?

@Lily, you can enable Dashboard feature via the following two ways:

  1. Upgrade your plan to biz+

  2. Ask for our operation team to help you to enable Dashboard feature.