Automatic change of cameras / car for streaming

Does anybody know how to have the game switch cameras automatically, ideally along a pace we can set ourselves ? Ideally we would like the game stay on the TV cameras cycle but switch from car to car every 30s or minute. We saw it done in other leagues but can't find how to tweak it or create the script. Thanks in advance  

Il s'agit de 2 scripts autohotkeys.
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