To dynamically populate a URL in the Attachment Widget, please follow the instructions below.
In the below example we are capturing address information to populate a Google map.
STEP 1. Add four Text widgets to your form with the following data column names.
STEP 2. Add an Attachment Widget to the form.
STEP 3. Click the Input Properties tab (A) and in the Attachment Link field, put the following (B):
STEP 4. Fill out the text fields on your device, and then click the Attachment Widget.
iForm Tip: Download the Form Package at the bottom for a sample form of this functionality.