If you are a current third year MPharm undergraduate student you do not need to provide any documentation when applying. 

If you are an MPharm or OSPAP graduate you will need to provide a copy of your degree certificate. 

If you are a current Overseas pharmacists' assessment programme (OSPAP) applicant you will need to provide a copy of the course enrolment, acceptance letter and a copy of their letter from the GPhC confirming their eligibility to apply to an OSPAP programme