Matches one or more keys in the specified JSON document and returns the value of the match in Custom Properties
18.104.22.168 Fixed bug where value does not clear from previous invoke when there are no match.
Type: Multiline Text Input
The Json Document to be parsed
Custom Properties must be added to the node, which will contain the path to the member that needs to be matched.
See https://flowgear.me/s/upJ3IsK for an example.