Hi,The function that controls the order of the entities within a collection is located in /class/collection.php, updateContetnElements(). By default, it is doing this: // iterate through the new list of entities foreach($this->contentElements as $contentElement) { // append each entity to the end of the existing list of entities $data[] = array( 'href' => $contentElement ); }$data contains the existing list of entities (can be empty), and $this->contentElements have the newly added list of entit...

Hi,You can use the HTML Article Packager to generate the .article file. Please see this article for the written/video tutorial and the packager itself: Create HTML articles for DPS 2015

Hi,To get the list of collections that reference a specified entity, please refer to the following API request (see Producer-Service-Entity section of the swagger documentation):GET /publication/{publicationID}/{entityType}/{entityName}/{referencingEntityType}The above request has been added to the DPS2015 Content Producer API examples, you can now use the function getReferencing(). Please see /article/get_referencing_entity.php for the full example.You can download the latest DPS2015 Content Pr...