### Method

# Meta Window get_wm_class_instance

#### Declaration [src]

    const char*
    meta_window_get_wm_class_instance (
      MetaWindow* window
    )

#### Description [src]

Return the current value of the instance part of WM_CLASS X property.

#### Return value

Type: `const char*`

The current value of the instance part of WM_CLASS X property.

The data is owned by the instance.
The return value can be `NULL`.
The value is a NUL terminated UTF-8 string.