Property
AdwSplitButton:label
Description [src]
The label for the button.
Setting the label will set AdwSplitButton:icon-name and
AdwSplitButton:child to NULL.
          Type:gchar*
| Default value | NULL | 
| Getter method | adw_split_button_get_label() | 
| Setter method | adw_split_button_set_label() |