v

Specifies which version of the layout data (LDX) schema to use. The default value is 2.

Use this option when the request is returning output in layoutDataXML, HTML, HTMLFragment, JSON, or RDS schema formats. You should also use this option for all secondary requests, if the initial request uses this option..

1: Layout data schema version 1 is used.
2: Layout data schema version 2 is used.
3: Layout data schema version 3 is used.