# vkSubmitDebugUtilsMessageEXT(3) Manual Page

## Name

vkSubmitDebugUtilsMessageEXT - Inject a message into a debug stream

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## C Specification

To intentionally submit a debug message, call:

    // Provided by VK_EXT_debug_utils
    void vkSubmitDebugUtilsMessageEXT(
        VkInstance                                  instance,
        VkDebugUtilsMessageSeverityFlagBitsEXT      messageSeverity,
        VkDebugUtilsMessageTypeFlagsEXT             messageTypes,
        const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData);

## Parameters

- `instance` is the debug stream’s VkInstance.

- `messageSeverity` is a VkDebugUtilsMessageSeverityFlagBitsEXT value specifying the severity of this event/message.

- `messageTypes` is a bitmask of VkDebugUtilsMessageTypeFlagBitsEXT specifying which type of event(s) to identify with this message.

- `pCallbackData` contains all the callback related data in the VkDebugUtilsMessengerCallbackDataEXT structure.

## Description

The call will propagate through the layers and generate callback(s) as indicated by the message’s flags. The parameters are passed on to the callback in addition to the `pUserData` value that was defined at the time the messenger was registered.

Valid Usage

- VUID-vkSubmitDebugUtilsMessageEXT-objectType-02591
  The `objectType` member of each element of `pCallbackData->pObjects` must not be `VK_OBJECT_TYPE_UNKNOWN`

Valid Usage (Implicit)

- VUID-vkSubmitDebugUtilsMessageEXT-instance-parameter
  `instance` must be a valid VkInstance handle

- VUID-vkSubmitDebugUtilsMessageEXT-messageSeverity-parameter
  `messageSeverity` must be a valid VkDebugUtilsMessageSeverityFlagBitsEXT value

- VUID-vkSubmitDebugUtilsMessageEXT-messageTypes-parameter
  `messageTypes` must be a valid combination of VkDebugUtilsMessageTypeFlagBitsEXT values

- VUID-vkSubmitDebugUtilsMessageEXT-messageTypes-requiredbitmask
  `messageTypes` must not be `0`

- VUID-vkSubmitDebugUtilsMessageEXT-pCallbackData-parameter
  `pCallbackData` must be a valid pointer to a valid VkDebugUtilsMessengerCallbackDataEXT structure

## See Also

VK_EXT_debug_utils, VkDebugUtilsMessageSeverityFlagBitsEXT, VkDebugUtilsMessageTypeFlagsEXT, VkDebugUtilsMessengerCallbackDataEXT, VkInstance

## Document Notes

For more information, see the Vulkan Specification

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

## Copyright

Copyright 2014-2024 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0