hello i dont have much experience but i did work for a corporate company for 6 months.
I documented SOP's (Standard operating procedures) regarding HR processes and Payroll Process.
So in HR there will be process like recruitment,secondment, employee leave etc. So the relative workflows for these SOP's were handled by me. Payroll included SOP's like how a employee gets paid, the request of claim for C & B, who authorizes the claims and etc. I worked on a workflow for those processes as well. I wish i could share with you some of my work but the company is very serious about its privacy and I respect it, but i might be able to share a sample. So overall i have a basic experience in drawing flowcharts
So if you are interested you can contact me.