Type Definition vulkanalia::vk::PFN_vkCmdDebugMarkerBeginEXT

type PFN_vkCmdDebugMarkerBeginEXT = extern "system" fn(CommandBuffer, *const DebugMarkerMarkerInfoEXT);

https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkCmdDebugMarkerBeginEXT.html