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Once your form is created, it’s time to try using it. From the forms page, click on the test 
icon below your form. This brings up your form on ' web server. Go ahead and enter values into your form. Notice how each time you tab to another field frevvo immediately immediately validates the data in the prior field and immediately displays an error message and color indication when there is a problem. For instance, try to enter a text string in an input that is a numeric control. See the Validation section for details on validation rules
frevvo prevents prevents submisson of incomplete forms by keeping your form's submit button grey'd until all required fields are filled in. As soon as all required fields contains values and all of those values have valid data (eg: phone fields contain aaa-bbb-cccc format) the submit button will become clickable.
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