How to change Profession ??

I am a Pharmacist.
My profession in Iqama is Aamil Aadi. I want to change it to Pharmacist. Currently I am working in a pharmacy without iqama transfer.
What is the procedure for changing profession in iqama?? Kindly guide me.

Get your certificate attested from saudi embassy in your country of study and then apply to change the profession after paying the necessary fees and completing the forms.