The table below describes the ColdFusion Express variables by their scope and prefix.
| Variable Type | Creation | Scope | Variable Prefix |
|---|---|---|---|
| Local | The CFSET or CFPARAM tag. | The page on which it is created. | Variables. |
| Query | The CFQUERY tag. | The page on which it is created. | QueryName. |
| Form | Passes from the HTML form to the action page. | The action page that's associated with a form. | Form. |
| URL | Passes from the query string (?) at the end of a URL to a target page. | The target page for the hyperlink. | URL. |
| Cookie | The CFSET or CFCOOKIE tag. | All browser sessions. | Cookie. |
| CGI | Passes from the browser and server during a browser request. | All sessions. | CGI. |
| Application | The CFSET or CFPARAM tag. | The specific application | Application. |