-the simulator, see ":ref:`simulator-api`".
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+the simulator, see ":ref:`simulator-api`".
+
+The A1 Simulator supports running multiple simulations using different versions of the A1 Application protocol, and supports realistic stateful simulation of A1 Enrichment Information and A1 Policy behaviours.
+
+For information on how to run the simulator, see the *README.md* file in the repository.
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