isExists (Function)
Function checks whether there is a JSON element present in the given path or not.
Syntax
<BOOL> json:isExists(<STRING|OBJECT> json, <STRING> path)
Query Parameters
| Name | Description | Default Value | Possible Data Types | Optional | Dynamic |
|---|---|---|---|---|---|
| json | The JSON input that needs to be searched for an elements. | STRING OBJECT | No | Yes | |
| path | The JSON path to check for the element. | STRING | No | Yes |
Example 1
json:isExists(json, '$.name')
If the json is the format {'name' : 'John', 'age' : 23}, the function returns true as there is an element in the given path.
Example 2
json:isExists(json, '$.salary')
If the json is the format {'name' : 'John', 'age' : 23}, the function returns false as there is no element in the given path.