This can be done in the Consultants and Therapists apps. In the Consultants apps, select the client name from Clients; or in the Therapists app select the patient from Patients. Click Profile from the upper right of the screen (desktop/laptops) or the bottom menu (mobile apps), enter the desired work/session duration and fee number, and click Save. Thereafter, when you schedule a work/session for that client/patient, those values will automatically enter in their respective fields (but can be changed if desired).