# SDL_GetDefaultAssertionHandler Get the default assertion handler. ## Header File Defined in [<SDL3/SDL_assert.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_assert.h) ## Syntax ```c SDL_AssertionHandler SDL_GetDefaultAssertionHandler(void); ``` ## Return Value ([SDL_AssertionHandler](SDL_AssertionHandler)) Returns the default [SDL_AssertionHandler](SDL_AssertionHandler) that is called when an assert triggers. ## Remarks This returns the function pointer that is called by default when an assertion is triggered. This is an internal function provided by SDL, that is used for assertions when [SDL_SetAssertionHandler](SDL_SetAssertionHandler)() hasn't been used to provide a different function. ## Thread Safety It is safe to call this function from any thread. ## Version This function is available since SDL 3.2.0. ## See Also - [SDL_GetAssertionHandler](SDL_GetAssertionHandler) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryAssert](CategoryAssert)