Constructor: channelParticipantsContacts
Fetch only participants that are also contacts
Attributes:
| Name | Type | Required | Description | 
|---|---|---|---|
| q | string | Yes | Optional search query for searching contact participants by name | 
Type: ChannelParticipantsFilter
Example:
 $channelParticipantsContacts = ['_' => 'channelParticipantsContacts', 'q' => 'string'];