AcroForms were introduced in the PDF 1.2 format. AcroForms permit using objects ("e.g." text boxes, Radio buttons, "etc.") and some code ("e.g." JavaScript). Alongside the standard PDF action types, interactive forms (AcroForms) support submitting, resetting, and importing data. The "submit" action transmits the names and values of selected interactive form fields to a specified uniform resource locator (URL). Interactive form field names and values may be submitted in any of the following formats, (depending on the settings of the action's ExportFormat, SubmitPDF, and XFDF flags):