Commands

A command is a Lisp function which may be called interactively, that is, either as a binding of an input event or by name (with the Meta-x key sequence).

Commands are defined in the same way as functions, using the defun special form; the body forms of a command must contain an interactive declaration. This shows that the function may be called interactively part and tells the call-command function how to compute the argument values to apply to the command.

• Interactive Declarations: How to define a command
• Prefix Arguments: Arguments to a command from the user
• Calling Commands: The function used to invoke a command
• Example Commands: A definition of a command

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