FwupdPlugin.Device.add_backend_tag

### Method

# FwupdPlugin Deviceadd_backend_tag

since: 1.8.5

#### Declaration [src]

    void
    fu_device_add_backend_tag (
      FuDevice* self,
      const gchar* backend_tag
    )

#### Description [src]

Adds a backend tag, which allows the backend to identify the specific device for a specific phase. For instance, there might be a pre-update runtime, a bootloader and a post-update runtime and allowing tags to be saved to the backend object allows us to identify each version of the same physical device.

Available since: 1.8.5

#### Parameters

`backend_tag`

  Type: `const gchar*`

  A tag, for example `bootloader` or `runtime-reload`

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