> ## 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.

# sethiddenstack

> Marks or unmarks a function, or the function at a stack level, as hidden. target must be a function or stack level number. hidden defaults to true. Invalid stack levels raise "Level out of range". setstackhidden is an alias.

<div className="real-function-page">
  ```lua theme={null}
  sethiddenstack(target: function | number, hidden?: boolean)
  ```

  ## 别名

  * `setstackhidden`

  ## 参数

  <ParamField path={"target"} type={"function | number"} required>
    Function or stack level number to mark or unmark.
  </ParamField>

  <ParamField path={"hidden"} type={"boolean"}>
    Whether the resolved function should be marked hidden. Defaults to true; false removes the mark.
  </ParamField>

  ## 示例

  Add or remove a function closure from hidden stack tracking.

  ```lua theme={null}
  local function target()
  end

  sethiddenstack(target)
  print(ishiddenstack(target))

  sethiddenstack(target, false)
  print(ishiddenstack(target))
  ```
</div>