Adw.HeaderBar.set_decoration_layout

### Method

# Adw HeaderBarset_decoration_layout

since: 1.0

#### Declaration [src]

    void
    adw_header_bar_set_decoration_layout (
      AdwHeaderBar* self,
      const char* layout
    )

#### Description [src]

Sets the decoration layout for `self`.

Available since: 1.0

Sets property | `Adw.HeaderBar:decoration-layout`

#### Parameters

`layout`

  Type: `const char*`

  A decoration layout.

  The argument can be `NULL`.
  The data is owned by the caller of the function.
  The value is a NUL terminated UTF-8 string.