# Masked Input Allows the user to enter fixed width input while conforming to a character format. Powered by [jQuery Masked Input](https://github.com/digitalBush/jquery.maskedinput) plugin. {% hint style="info" %} Please refer to [jQuery Masked Input Documentation](https://github.com/digitalBush/jquery.maskedinput) to learn about plugin options {% endhint %} **Step one** Include the javascript file inside the ``before core template script inclusions, if it's not there already. ```markup ``` --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.pages.revox.io/form-elements/masked-input.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.