Reading the data from a uploaded file before submitting the form

Hi Team,

We have a requirement to upload a file, read data from it and display the data on a button click in an interface.

We have tried this in a two-step method by orchestrating this in a process model:

1. Uploaded the file using "fileUploadField" component and submitted the form.

2. Reading data in script task and navigating back to the same interface.

But here the drawback is until unless the form has been submitted the file won't store on Appian KC so we can't read it. Also, the user has to perform two actions 1. upload the file and 2. click on the "Import data" submit button. Find the below image for reference.

 

Is there any way to implement this task with a single click?

Thanks in advance,

Mahesh

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