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%JSON_ObjectIsValue function

Function

Check if there is value in given field in 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 check if there is value of type BOOL, INT, REAL, TEXT or invalid value in given index in 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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