code: func (obj *Doc) CreateConnectionRaw(ctx context.Context, connection interface{}) (string, error) {
  	result := &struct {
  		ConnectionId string	`json:"qConnectionId"`
  	} {}
  	err := obj.rpc(ctx, "CreateConnection", result, ensureEncodable(connection))
  	return result.ConnectionId, err 
  }
docs: // Creates a connection.
  // A connection indicates from which data source the data should be taken.
  //
  // Parameters:
  //
  // ◾ connection   -   Information about the connection.
  //