# The interface of GETTSIM

This section provides the documentation of the two interface functions. If you want to
have more information on how they work and how you can use them please see
{ref}`how_to_guides` and {ref}`tutorials`.

```{eval-rst}
.. currentmodule:: _gettsim.interface
```

```{eval-rst}
.. autofunction:: compute_taxes_and_transfers
```

```{eval-rst}
.. currentmodule:: _gettsim.policy_environment
```

```{eval-rst}
.. autofunction:: set_up_policy_environment
```