Mine

function addon:OnInitialize()    self:RegisterChatCommand({'/addon', '/ao'}, {      {        type="group",        name="addon",        desc="My addons commands",        args= {          dosomething = {            type = "execute",            name = "Do something.",            desc = "Makes this addon do something.",            func = "MethodCalled",          },        },    })endfunction addon:MethodCalled()  -- this function will be called when the user types either  -- '/addon dosomething' or '/ao dosomething'  self:Print("Doing something!")end