Important notice about Cloudbleed - if your site uses the Cloudflare CDN, and you intend to follow the Joomla security team's advice to change your site "secret", you MUST READ THIS NOTICE.
Joomla 3.7 will be releasing soon (they just released RC2). If you intend to upgrade to 3.7, you will also have to update Fabrik, which will get an update as soon as 3.7 is released. Now would be a good time to do some testing - clone your site with Akeeba, update Joomla to the 3.7 RC2, and update Fabrik from github.
Is Numeric validation
This ascertains if the submitted data is a numeric value.
- Error message - The message to display next to the element if the validation fails. This text should explain why the validation failed and what steps the user should take to remedy the error.
- Condition - A PHP expression which if returns false, means that the validation is not run. See here for more information.
- Allow empty - If set to yes the validation will allow an empty value, if set to no then an empty value will cause the validation to fail