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I think to do this you need to use the AssetEntry portion of the JSON API with a classNameId referencing the JournalArticle and a classPK being the ID for the article with the related assets you want to retrieve.

Thanks for the reply. I tried to look at the AssetEntry portion of the JSON API , but the only api require classNameId and classPK is /assetentry/increment-view-counter , I don't think this one is able to retrieve Related Assets. I noticed there is api /assetentry/get-entries , this one looks like can be used to return what I want. However, the input parameter is com.liferay.portlet.asset.service.persistence.AssetEntryQuery , and it returns java.util.List. I am not sure how to pass AssetEntryQuery to the rest api and get the results. Is there any sample code I can take a reference?


Below is sample data return by http://localhost:8080/api/jsonws/journalarticle/get-article/group-id/21290/article-id/21310, from the output, what should I use to build the AssetEntryQuery ?

{
"articleId": "21310",
"classNameId": 0,
"classPK": 0,
"companyId": 20155,
"content": "",
"createDate": 1457924968000,
"description": "",
"descriptionCurrentValue": "",
"displayDate": 1457414820000,
"expirationDate": null,
"folderId": 0,
"groupId": 21290,
"id": 21951,
"indexable": true,
"layoutUuid": "",
"modifiedDate": 1457938208000,
"resourcePrimKey": 21312,
"reviewDate": null,
"smallImage": false,
"smallImageId": 0,
"smallImageURL": "",
"status": 0,
"statusByUserId": 20434,
"statusByUserName": "Test Test",
"statusDate": 1457938208000,
"structureId": "21305",
"templateId": "21307",
"title": "",
"titleCurrentValue": "Seagate To Participate In Investor Event",
"treePath": "/0/",
"type": "general",
"urlTitle": "seagate-to-participate-in-investor-event",
"userId": 20434,
"userName": "Test Test",
"uuid": "9a2f4f42-abe3-40b2-a1a4-77d91481ff92",
"version": 2
}