How to prove that it is a property worker?

Show me the labor contract signed by the unit to which the real estate belongs and the work certificate.

Property manager refers to the person who provides services for owners and users through professional maintenance and management of buildings and their supporting equipment, facilities and sites, as well as maintaining environmental sanitation and public order in relevant areas according to the property management service contract. Property manager refers to the person who manages the houses and their ancillary facilities put into use and provides various comprehensive paid services to the owners and users. Property management personnel must have a high school education or above, have certain observation ability and strong expression and calculation ability, and are one of the occupations that implement employment access.