Hello! You also may use iMask framework to implement any kinds of masks. Here you can find information related to iMask - https://imask.js.org/ Example: Let's implement the mask: 000-000-0000 To do that you need to follow these steps: 1. Add the "iMask.js" file as APP parameter with the File type. 2. Add the following snippet of code into the header of your datapage: <script src="[@app:iMask/]"></script> <script type="text/javascript">