%JSON_ObjectIsValue function

Function

Checks if there is a value in a given field in the JSON object.

Declaration
BOOL %JSON_ObjectIsValue(
    INT in handle, 
    TEXT in field
 )
Parameters
handleHandle to parent JSON object.
fieldField name
Return value

@TRUE if in given field is value of type BOOL, INT, REAL, TEXT or invalid value, else @FALSE.

Description

Function checks if there is a value of type BOOL, INT, REAL, TEXT or invalid value in a given field in the JSON object.

Exception is thrown if handle to JSON object is invalid or field does not exists.

Example
 INT _obj
 _obj := %JSON_ObjectFromString('{"Count":5}')
 
 BOOL _is_value
 _is_value := %JSON_ObjectIsValue(_obj, "Count")

 %JSON_FreeObjectHandle(_obj)

Related pages:

JSON format manipulation functions
Function arguments - types

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