Determine the function to call for the given command and call it with the given arguments.

ParameterscommandThe IRC command to determine the function for. (type: bytes)
prefixThe prefix of the IRC message (as returned by parsemsg). (type: bytes)
paramsA list of parameters to call the function with. (type: list)
API Documentation for Twisted, generated by pydoctor at 2017-09-23 19:45:03.