[{"name":"Minecraft Version","description":"The version of minecraft to download. \r\n\r\nLeave at latest to always get the latest version. Invalid versions will default to latest.","default_value":"latest","env_variable":"MINECRAFT_VERSION","user_viewable":true,"user_editable":true,"rules":"nullable|string|max:20"},{"name":"Server Jar File","description":"The name of the server jarfile to run the server with.","default_value":"server.jar","env_variable":"SERVER_JARFILE","user_viewable":true,"user_editable":true,"rules":"required|regex:\/^([\\w\\d._-]+)(\\.jar)$\/"},{"name":"Download Path","description":"A URL to use to download a server.jar rather than the ones in the install script. This is not user viewable.","default_value":"","env_variable":"DL_PATH","user_viewable":false,"user_editable":false,"rules":"nullable|string"},{"name":"Build Number","description":"The build number for the paper release.\r\n\r\nLeave at latest to always get the latest version. Invalid versions will default to latest.","default_value":"latest","env_variable":"BUILD_NUMBER","user_viewable":true,"user_editable":true,"rules":"required|string|max:20"}]