diff --git a/nsActivitystreams.go b/nsActivitystreams.go
index 3c6e0af..8d06596 100644
--- a/nsActivitystreams.go
+++ b/nsActivitystreams.go
@@ -3,7 +3,7 @@ package goap
 import (
 	"time"
 
-	"github.com/datainq/xml-date-time"
+	xmldatetime "github.com/datainq/xml-date-time"
 	"gitlab.com/mstarongitlab/goutils/sliceutils"
 )
 
@@ -28,54 +28,23 @@ func ParseASActorData(raw map[string]any, next BaseApChain) (BaseApChain, error)
 }
 
 type ASAlsoKnownAsData struct {
-	Next BaseApChain
-	Urls []string
+	FullIdType
 }
 
 func (cc *ASAlsoKnownAsData) GetSelfOrBase() (BaseApChain, bool) {
-	return cc.Next, true
+	return cc.FullIdType.GetSelfOrBase()
 }
 
 func (cc *ASAlsoKnownAsData) MarshalToMap() map[string]any {
-	return appendWithKey(
-		cc.Next.MarshalToMap(),
-		KEY_ACTIVITYSTREAMS_ALSOKNOWNAS,
-		sliceutils.Map(cc.Urls, func(t string) map[string]any {
-			return map[string]any{KEY_ID: t}
-		}),
-	)
+	return cc.FullIdType.MarshalToMapWithName(KEY_ACTIVITYSTREAMS_ALSOKNOWNAS)
 }
 
 func ParseASAlsoKnownAsData(raw map[string]any, next BaseApChain) (BaseApChain, error) {
-	rawData1, ok := raw[KEY_ACTIVITYSTREAMS_ALSOKNOWNAS]
-	if !ok {
-		return nil, NoRequiredFieldError{KEY_ACTIVITYSTREAMS_ALSOKNOWNAS}
+	id, err := ParseIdTypeWithName(raw, next, KEY_ACTIVITYSTREAMS_ALSOKNOWNAS)
+	if err != nil {
+		return nil, err
 	}
-	data1, ok := rawData1.([]map[string]any)
-	if !ok {
-		return nil, BadFieldValueError[[]map[string]any]{
-			KEY_ACTIVITYSTREAMS_ALSOKNOWNAS,
-			rawData1,
-			[]map[string]any{},
-		}
-	}
-	urls := []string{}
-	for _, v := range data1 {
-		rawData2, ok := v[KEY_ID]
-		if !ok {
-			return nil, NoRequiredSubFieldError{KEY_ACTIVITYSTREAMS_ALSOKNOWNAS, KEY_ID}
-		}
-		data2, ok := rawData2.(string)
-		if !ok {
-			return nil, BadFieldValueError[string]{KEY_ACTIVITYSTREAMS_ALSOKNOWNAS, rawData2, ""}
-		}
-		urls = append(urls, data2)
-	}
-	delete(raw, KEY_ACTIVITYSTREAMS_ALSOKNOWNAS)
-	return &ASAlsoKnownAsData{
-		Next: next,
-		Urls: urls,
-	}, nil
+	return &ASAlsoKnownAsData{FullIdType: *id}, nil
 }
 
 type ASAttachmentsData struct {