c_g_notification_add_button_with_target_value

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
void function(GNotification* notification, const(char)* label, const(char)* action, GVariant* target) c_g_notification_add_button_with_target_value;

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