API ReferencesRsvim APInamespacesRsvimCmdtype-aliasesCommandCallbackVersion: NextOn this pageCommandCallbacktype CommandCallback = (ctx) => Promise<void>; Command callback function, this is the backend logic that implements a user ex command. It accepts a ctx parameter that indicates runtime information when the command is executed. Parameters ParameterTypectxCommandContext Returns Promise<void> See RsvimCmd.create CommandContext ,