Official function
（重定向自Official functions）
An official function is either an event, such as a convention, that has an official purpose for one's employment, vocation or profession-whether run by a person, institution or governmental agency-or an official duty.
Attending events with official purposes is one of the duties of many persons in many organizations. Attending such events fall into categories of networking, protocol, information gathering, among others. Networking may involve an economic network, an entrepreneurial network, an old boy network, a social network, and a value network. Protocol deals with etiquette and other forms of intercultural competence that should be followed to show respect for those with whom one is networking. Information may be gained as a message, a pattern, or an input.