class in Unity.Collections.LowLevel.Unsafe
Switch to ManualBy default unsafe Pointers are not allowed to be used in a job since it is not possible for the Job Debugger to gurantee race condition free behaviour. This attribute lets you explicitly disable the restriction on a job.
struct MyJob : IJob { [NativeDisableUnsafePtrRestriction] int* myCustomPointer;
void Execute() { ... } }