src/Services/OrganisationService.php
public function getMarketplaceConnections($organisationId = null, BasicConnectionCriteria $criteria = null)
    {
        return $this->getConnectionsByType(ConnectionType::MARKETPLACE, $organisationId, $criteria);
    }
public function getMarketplaceConnections($organisationId = null, BasicConnectionCriteria $criteria = null)
    {
        return $this->getConnectionsByType(ConnectionType::MARKETPLACE, $organisationId, $criteria);
    }
@deprecated See ConnectionService for replacement

@param int|null                     $organisationId
@param BasicConnectionCriteria|null $criteria

@return array|Connection[]