> For the complete documentation index, see [llms.txt](https://docs.hex-rays.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.hex-rays.com/8.4/developer-guide/idc/idc-api-reference/alphabetical-list-of-idc-functions/16.md).

# msg

```
Display an UTF-8 encoded message in the message window
     format - printf() style format string
     ...    - additional parameters if any
This function can be used to debug IDC scripts
The result of the stringification of the arguments
will be treated as an UTF-8 string.
Thread-safe function.

void msg(string format, ...);

// Print variables in the message window
// This function print text representation of all its arguments to the output window.
// This function can be used to debug IDC scripts

void print(...);

// Display a message in a message box
//      format - printf() style format string
//      ...    - additional parameters if any
// This function can be used to debug IDC scripts
// The user will be able to hide messages if they appear twice in a row on the screen

void warning(string format, ...);

// Display a fatal message in a message box and quit IDA
//      format - printf() style format string
//      ...    - additional parameters if any

void error(string format, ...);
```


---

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