# Report Parameters

Learn how to use report parameters in ActiveReportsJS.

## Content

Report Parameters are a vital feature in ActiveReportsJS, offering a broad array of functionalities that can accommodate a wide range of scenarios. The subsequent sections delve into pertinent topics:

* [Parameters Designer](/activereportsjs/docs/v6.1/ReportAuthorGuide/Report-Parameters/adding) \- This section outlines the process of adding\, modifying\, and deleting parameters\.
* [Parameters Usage](/activereportsjs/docs/v6.1/ReportAuthorGuide/Report-Parameters/using-parameters) \- This section illustrates various common scenarios where parameters are employed\, along with guidelines on their implementation\.
* [Parameters View](/activereportsjs/docs/v6.1/ReportAuthorGuide/Report-Parameters/parameters-view) - This section explains how to build a custom parameters view.