> ## Documentation Index
> Fetch the complete documentation index at: https://docs.projectreal.gg/llms.txt
> Use this file to discover all available pages before exploring further.

# json.isNull

> Bir value degerinin Real JSON null sentinel olan json.null olup olmadigini dondurur.

<div className="real-function-page">
  ```lua theme={null}
  json.isNull(value: any): boolean
  ```

  ## Argümanlar

  <ParamField path={"value"} type={"any"} required>
    Inspect edilecek value. Yalnizca json.null value true dondurur; Lua nil ve other values false dondurur.
  </ParamField>

  ## Dönüşler

  <ResponseField name={"isNull"} type={"boolean"}>
    value exact json.null sentinel ise true, otherwise false.
  </ResponseField>

  ## Örnek

  Bir value degerinin Lua nil yerine json.null sentinel olup olmadigini check et.

  ```lua theme={null}
  local value = json.decode("null")

  if json.isNull(value) then
      print("The value is JSON null")
  end

  print(json.isNull(nil))
  ```
</div>