WfRunVariable (sdk-java 0.1.0 API)

```
public interface WfRunVariable
```
A WfRunVariable is a handle on a Variable in a WfSpec.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`WfRunVariable`	`jsonPath(java.lang.String path)`	Valid only for output of the JSON_OBJ or JSON_ARR types.

- Method Detail
  - jsonPath
```
WfRunVariable jsonPath(java.lang.String path)
```
    Valid only for output of the JSON_OBJ or JSON_ARR types. Returns a new NodeOutput handle which points to Json element referred to by the json path. Can only be called once--you can't call node.jsonPath().jsonPath().
    
    Parameters:
    
    path - is the json path to evaluate.
    
    Returns:
    
    a NodeOutput.