This is what the form will look like after the steps below.
First create the form.
Next we add another Date field. This is the Expiry field.
Set the expiration based on the value of this field.
Next we add a File field.
We gave this field the name "Photo of the immunization".
This is what it looks like in Edit mode.
Looking at a Client profile, at the top will be a warning.
A new Client will see the following. They will need to add a pet and fill out the Required forms before being able to Book.
And this is what the form looks like.