I cannot answer whether the Embassy will ask for documents or certificates work? Depending on the staff, but if you say you unemployed officials might refuse to work.
I can not answer that embassy to ask for documents or work certificate or not. Based on staff But if you say you are unemployed, the authorities may deny your work.
I can't answer that the embassy will document or certificate of work or not depends on the authorities. But if you said you unemployed officials may deny your work.