As part of the Commission Plan individual objectives can be selected and a OTE amount applied to them.

To do this in the detailed view of the Commission Plan there is a box titles 'Objectives'. 

To add an objective simply press the following box will appear. 

Select the relevant Objective, enter On Target Earnings amount and select the Commission Rate. You can add multiple Objectives to a Commission Plan. 

Straightaway, if performance against the objectives is available and hits the minimum performance rate in the Commission Rate applied the Commission Plan will show progress.