Form inputs disappearing

Question

Hello, 
 Fairly new with the Appian platform here. Creating a few forms using Interface and have all the rule inputs added for the fields in the form. When I preview the form and try to enter data all the data I enter disappears when I TAB or click on the next empty field. What am I doing wrong or can I correct this issue? Thanks!

Mike Schmitt · Accepted Answer

If what you're saying is that the inputs apparently work in Interface Designer, but have the "disappearing" issue when running from within a Process Model, then I'm 99% sure it's because you didn't map the Rule Inputs for the interface to ACP variables in the User Input Task. 
 When in a running process, the rule inputs for the interface merely act as a bridge to the * actual * storage location for the on-form values, which would be the ACP variables. So if there's no mapping, you can imagine that the on-form saves are saving into a nonexistent "vessel", and just go away.

Mike Schmitt · Answer

antoniom0004 said: No I did not, I think that might be the issue then. 
 Ok then - definitely try it out in a new instance (to utilize your newly saved-and-published changes) and report back whether or not the issue still persists.

Mike Schmitt · Answer

I assume you're referring to the "preview" pane in the Interface designer, in which case we wouldn't expect anything to happen when clicking any button (other than executing any saveInto s set in the button definitions). The "submitting" action of any button only takes effect when used from a live process instance, and will cause the process instance to proceed along its process flow lines from the node where the interface was housed, with one of two outcomes: 
 
 if there is no chaining or no subsequent User Input Tasks with an interface, the user will be taken back to the Site or Tempo tab from where they began the process flow; 
 if there is a subsequent task and activity chaining is enabled between the two, then the next form will load for the user pretty much immediately. 
 
 So my guess here is you're not actually using your process model yet. The quick and easy way to experience essentially what a user would experience from your interface is, from the Process Model Editor, press CTRL+D (or, File -> Start Process for Debugging). If you have a start form or activity chaining leading to an initial User Input Task, then you should immediately be shown a pop-up window with that interface loaded; otherwise you might need to right-click on the User Input Task (which would show up as green once the process flow reaches it), and click "View Form". From here, pressing your "submit" buttons should take effect essentially the same way that they would for an end-user accessing the process in one of the normal ways.

Form inputs disappearing

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