a!jsonPath() Function

Function

a!jsonPath( value, expression )

Finds information in a JSON string. JSONPath is used to navigate through elements and attributes in a JSON string.

Parameters

Keyword Type Description

value

Text

The JSON text representing the value to be queried.

expression

Text

The JSONPath query to be run against the JSON object.

Returns

Text

Usage considerations

Using the expression parameter

The below table defines the syntax for the expression parameter of a!jsonPath().

Expression Description
$ the root object/element
@ the current object/element
. or [] child operator
.. recursive descent
* wildcard. All objects/elements regardless their names.
[] subscript operator
[,] alternate names or array indices as a set.
[start:end:step] array slice operator
?() applies a filter (script) expression
() script expression, using the underlying script engine.

Array indices in JSONPath start with zero, not one.

Open in Github Built: Fri, Sep 17, 2021 (04:05:09 PM)

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