Custom Templates & Scripts All Datensen products support custom templates for generating SQL scripts, HTML, CSV and JavaScript outputs. Learn how to create snippets etc. How to make a diagram of your GraphQL schema Learn how to make a diagram of GraphQL schema, how to edit the diagram and create a PDF or interactive HTML report. Customizations and Custom Properties Our data modeling tools are customizable. Add your own custom properties and turn the tool into RAD - rapid application development tool.