public function createOrUpdateLeads($leads, $lookupField = null, $args = array())
    {
        return $this->createOrUpdateLeadsCommand('createOrUpdate', $leads, $lookupField, $args);
    }
public function createOrUpdateLeads($leads, $lookupField = null, $args = array())
    {
        return $this->createOrUpdateLeadsCommand('createOrUpdate', $leads, $lookupField, $args);
    }
public function createOrUpdateLeads ( $ leads , $ lookupField = null , $ args = array ( ) ) { return $ this -> createOrUpdateLeadsCommand ( 'createOrUpdate' , $ leads , $ lookupField , $ args ) ; }
Update the given leads, or create them if they do not exist.

@param array  $leads
@param string $lookupField
@param array  $args
@see Client::createOrUpdateLeadsCommand()

@link http://developers.marketo.com/documentation/rest/createupdate-leads/

@return CreateOrUpdateLeadsResponse
Update the given leads or create them if they do not exist .