JsonSet - script and chart function

JsonSet() modifies a string containing JSON (JavaScript Object Notation) data. It can set or insert a JSON value with the new location specified by the path. The data must be valid JSON but can contain extra spaces or newlines.

You can add any number of name-value pairs with JsonSet.

Syntax:

value JsonSet(json, path, value)

Return data type: dual

Arguments
Argument	Description
json	String containing JSON data.
path	The path must be specified according to RFC 6901. This allows buildup of properties inside JSON data without using complex substring or index functions and concatenation.
value	The new string value in JSON format.

Example	Result
JsonSet('{}','/a','"b"')	Returns '{"a":"b"}'
JsonSet('[]','/0','"x"')	Returns '["x"]'
JsonSet('"abc"','','123')	Returns 123

Example	Result	Description
JsonSet('"abc"','/x','123')	Returns null	The path does not point to a valid part of the JSON data.
JsonSet('{"a":{"b":"c"}}','a/b','"x"')	Returns null	The path is invalid.
JsonSet('{"a":"b"}','/a','abc')	Returns null	The value is not valid JSON. A string must be enclosed in quotes.

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