Returns an array with all fields available for this account type on the PDF output. This method may be overwritten by subclasses or it may be used by using entries in the $this->meta['PDF_fields'] array of the specific sub- class.
Returns an array containing all input columns for the file upload.
Syntax: array( string: name, // fixed non-translated name which is used as column name (should be of format: <module name>_<column name>) string: description, // short descriptive name string: help, // help ID string: example, // example value boolean: required // true, if user must set a value for this column )