Gets a single item from a QJsonDocument.

Default label: "Get item from JSON"
Member of plug-in: Built-in
Catalogue path: Builtin/Objects
Polymorphic: GetItemFromJson is a Polymorphic Operation. One or more of its inputs and outputs are not listed below because they are created dynamically whenever the operation changes its data type, and when it is first created.

Inputs:
Item key	QString	Can be a simple name of a top level object item or a JavaScript path to a sub item in the form ["firstLevelName"][1]["leafName"] allowing access to nested arrays and objects.
JSON	QJsonDocument
Outputs:
Item	CSIRO::DataExecution::Dependency