ContributionsMost RecentMost LikesSolutionsProcess() method does not run Hi experts, I need your help to figure out whats wrong with my custom snap. I have a custom snap which extends Simplesnap. When I tried to log, I could see that the process() method is not being called. Can someone explain to me why? Re: Get Ouptviews for a custom snap Hi ptaylor, Thanks for being a big help! It works Get Ouptviews for a custom snap Hi Experts, I am developing a custom snap which connects to a Mapper. In process(Document document, String s), I get data from the Mapper and then I convert this map data to JSON object by: Map<String, Object> inputDataFromMapper = document.get(Map.class);. JSONObject inputDataJsonObj = new JSONObject(inputDataFromMapper); And now I want to show this JSON object as the outputview of my custom snap by: Document data = documentUtility.newDocument(documentUtility.newDocument(inputDataJsonObj), document); outputViews.write(documentUtility.newDocumentFor(document, data)); However, I am getting this error in my custom snap after validating the pipeline. Please share your ideas on how I can solve this error! Re: Get Json output from Mapper snap Hi Robin, Thanks for your reply. Yes, the Mapper connects to my custom snap in which I wanna get the data from the mapper. Can I use document.get(Map.class) to get the data from the Mapper? Get Json output from Mapper snap Hi, I am trying to get the output of the Mapper in my custom snap. How should I write the code in my custom snap to get the Json object from the Mapper? Re: How can I code "Execute during preview" capability in custom snap? (i.e. testing validation mode vs. run-time mode) Thanks ptaylor 🙂 Re: How can I code "Execute during preview" capability in custom snap? (i.e. testing validation mode vs. run-time mode) Can you please share how did you create that checkbox UI feature for a custom snap by sharing the codes? Thank you