Hi,You can use use OOTB submit actions or write a custom submit action to process submitted forms data before writing to an external storage. See if the following docs help.https://helpx.adobe.com/aem-forms/6-2/configuring-submit-actions.htmlhttps://helpx.adobe.com/aem-forms/6-2/custom-submit-action...

Hi Trang,I hope you will find the following article helpful.http://helpx.adobe.com/aem-forms/6/dynamically-populate-dropdowns.html Regards,~ Vishal

Hi Afam,See if the following article helps:http://helpx.adobe.com/aem-forms/6/prepopulate-adaptive-form-fields.html Regards,Vishal