This field enables authorization to edit or delete an existing record using a browser HTTP cookie value. Never create a database field with this name. Every database should have an indexed unique serial number field, normally of type number. If you are starting your database from scratch, create this field with the option to auto-enter a serial number. Now that you are aware of reserved field names, let's look at what you do with some of those fields.
Template files are easier to use and design, but HTML calculation fields can be far more powerful.
By relying on calculation fields you have complete control over the HTML formatting of your documents, including direct access to over 100 powerful calculation functions supported by FileMaker Pro. The following few pages go through the precise process of writing an HTML page inside a FileMaker Pro calculation field. Make a copy of an existing database file you have already, or make a new database file altogether with fields for a solution you wish to publish on the web. NOTE Steps 8 and 9 below are optional. They are presented here only as an example of a complex detail calculation.