Download a xml file by a submit button.

Question

Someone knows how to download an xml file by pressing a Submit button , the xml is saved as a string in a database. First I need to do a database query and extract the xml from the field , I save it in a local and then I transform the xml into a document and when I press the button I download it. 
 
 Any help? 
 
 Regards, 
 
 Rebeca

Peter Lewis · Answer

You should be able to create an XML file by using a plugin like this one: https://community.appian.com/b/appmarket/posts/dynamic-document-generator 
 To actually set up the download, I'd recommend creating a process with two nodes: 
 
 The first step should create the document using the Smart Service from the plugin above. Inside the smart service, upload a basic template for a text file. Then, insert your XML data by defining a query using the a!queryEntity() function. Once you create the new file, save the result into a process variable that can be used in the next step in your process. 
 Next, include a User Input Task where you pass the document you created in the previous step as an input to this form. On the form, I'd suggest including a document download link to allow the user to download your document: https://docs.appian.com/suite/help/latest/Document_Link_Component.html Keep in mind that it isn't possible to have a button that both downloads and submits the form at the same time, so it will be better to use the link first and then use a separate submit button.