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<!-- Copyright 2015-2022 LunarG, Inc. -->
[![Khronos Vulkan][1]][2]
[1]: https://vulkan.lunarg.com/img/Vulkan_100px_Dec16.png "https://www.khronos.org/vulkan/"
[2]: https://www.khronos.org/vulkan/
# Stateless Parameter Validation
The stateless parameter validation object checks the input parameters to API calls for validity.
This layer performs the following tasks:
- validation of structures; structures are recursed if necessary
- validation of enumerated type values
- null pointer conditions
- stateless valid usage checks
- checks requiring only static state such as properties or limits
The Stateless Validation is run before [Core Validation Checks](core_checks.md). If there is a
validation error found in Stateless Validation, it will return and not call Core Validation nor call down the layer chain.
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