To incorporate a Trust into your model, you need to first create a Trust entity. To do this:
This will open up the Trust details, such as Income Distribution, Beneficiaries and Trust Income.
If there are any beneficiaries outside of the modeled client, you can add those under the 'Beneficiaries outside Model' section. You will also need to add the taxable income for the beneficiaries outside of the model (as shown below), for correct taxation calculations.