FwupdPlugin.UdevDevice.get_sysfs_attr

### Method

# FwupdPlugin UdevDeviceget_sysfs_attr

since: 1.4.5

#### Declaration [src]

    const gchar*
    fu_udev_device_get_sysfs_attr (
      FuUdevDevice* self,
      const gchar* attr,
      GError** error
    )

#### Description [src]

Reads an arbitrary sysfs attribute ‘attr’ associated with UDEV device.

Available since: 1.4.5

#### Parameters

`attr`

  Type: `const gchar*`

  Name of attribute to get.

  The data is owned by the caller of the function.
  The value is a NUL terminated UTF-8 string.

`error`

  Type: `GError **`

  The return location for a recoverable error.

  The argument can be `NULL`.
  If the return location is not `NULL`, then you must initialize it to a `NULL` `GError*`.
  The argument will left initialized to `NULL` by the method if there are no errors.
  In case of error, the argument will be set to a newly allocated `GError`; the caller will take ownership of the data, and be responsible for freeing it.

#### Return value

Type: `const gchar*`

String or NULL.

The data is owned by the instance.
The value is a NUL terminated UTF-8 string.