|ConnectionID||Specifies a connection to a data source that is defined in the Settings.
For elements connecting to relational databases, default is the first Connection element in _settings.lgx.|
|HttpMethod||HttpMethod specifies the verb to be sent with a REST request.|
|ID||The ID attribute is a pervasive attribute that uniquely identifies an element within a definition file. The ID needs to be a unique value within the definition.|
|JsonFile||(Required) The file specification for a Json file. You may enter either a file system location (such as c:\myfolder\mydata.js) or a location from the web (such as http://server/data.js). By default, the server will look in the project's _SupportFiles folder, in which case you can simply specify the filename (such as mydata.js).
When DataLayer.JsonFile uses a Connection element, this attribute's value gets appended to the Connection element's UrlHost attribute.|
|MaxRows||The maximum number of rows to retrieve from the data source.|
|XPath||Specifies a standard XPath string that will be used to select a set of matching nodes. All of the matching nodes are then used to generate the resulting datalayer.|