code: func (b *Bslack) getUsersInConversation(channelID string) ([]string, error) {
  	channelMembers := []string{}
  	for {
  		queryParams := &slack.GetUsersInConversationParameters{
  			ChannelID: channelID,
  		}
  
  		members, nextCursor, err := b.sc.GetUsersInConversation(queryParams)
  		if err != nil {
  			if err = handleRateLimit(b.Log, err); err != nil {
  				return channelMembers, fmt.Errorf("Could not retrieve users in channels: %#v", err)
  			}
  			continue
  		}
  
  		channelMembers = append(channelMembers, members...)
  
  		if nextCursor == "" {
  			break
  		}
  		queryParams.Cursor = nextCursor
  	}
  	return channelMembers, nil
  }
docs: // getUsersInConversation returns an array of userIDs that are members of channelID