diff --git a/bash.new.go b/bash.new.go
index dddd16d..dee60c5 100644
--- a/bash.new.go
+++ b/bash.new.go
@@ -298,10 +298,11 @@ func Bash2(argname string, appAutoFunc func(*Auto)) *Auto {
 }
 
 // also try to parse/send cur (?)
-func Bash3(appAutoFunc func(*Auto), dest any) *Auto {
+// func Bash3(appAutoFunc func(*Auto), dest any) *Auto {
+func Bash3(dest any) *Auto {
 	myAuto = new(AutoArgs)
 	// myAuto.appName = argname
-	myAuto.autoFunc = appAutoFunc
+	// myAuto.autoFunc = appAutoFunc
 	newTest(dest)
 
 	pb := parseArgv(myAuto.appName)
@@ -347,7 +348,7 @@ func Bash3(appAutoFunc func(*Auto), dest any) *Auto {
 	}
 
 	if pb.IsAuto {
-		appAutoFunc(pb) // run the autocomplete function the user made for their application
+		myAuto.autoFunc(pb) // run the autocomplete function the user made for their application
 		if pb.Debug {
 			// TODO:
 			// check here to see if there was any completion text sent
diff --git a/debugger.go b/debugger.go
index 6176ae4..34ebbbb 100644
--- a/debugger.go
+++ b/debugger.go
@@ -49,6 +49,12 @@ type Appnamed interface {
 	Appname() string
 }
 
+type AutoFuncd interface {
+	// Version returns the version string that will be printed on a line by itself
+	// at the top of the help message.
+	DoAutoComplete(*Auto)
+}
+
 // Described is the interface that the destination struct should implement to
 func newTest(tmp interface{}) {
 	if tmp, ok := tmp.(Appnamed); ok {
@@ -56,4 +62,10 @@ func newTest(tmp interface{}) {
 	} else {
 		panic("you need to make the function argv.Appname()")
 	}
+
+	if tmp, ok := tmp.(AutoFuncd); ok {
+		myAuto.autoFunc = tmp.DoAutoComplete
+	} else {
+		panic("you need to make the function argv.DoAutoComplete()")
+	}
 }