diff --git a/datamodel/high/base/security_requirement.go b/datamodel/high/base/security_requirement.go
index 39cae3f..4952d44 100644
--- a/datamodel/high/base/security_requirement.go
+++ b/datamodel/high/base/security_requirement.go
@@ -4,7 +4,9 @@
 package base
 
 import (
+	"github.com/pb33f/libopenapi/datamodel/high"
 	"github.com/pb33f/libopenapi/datamodel/low/base"
+	"gopkg.in/yaml.v3"
 )
 
 // SecurityRequirement is a high-level representation of a Swagger / OpenAPI 2 SecurityRequirement object.
@@ -40,3 +42,17 @@ func NewSecurityRequirement(req *base.SecurityRequirement) *SecurityRequirement
 func (s *SecurityRequirement) GoLow() *base.SecurityRequirement {
 	return s.low
 }
+
+// Render will return a YAML representation of the SecurityRequirement object as a byte slice.
+func (s *SecurityRequirement) Render() ([]byte, error) {
+	return yaml.Marshal(s)
+}
+
+// MarshalYAML will create a ready to render YAML representation of the SecurityRequirement object.
+func (s *SecurityRequirement) MarshalYAML() (interface{}, error) {
+	if s == nil {
+		return nil, nil
+	}
+	nb := high.NewNodeBuilder(s, s.low)
+	return nb.Render(), nil
+}
diff --git a/datamodel/high/base/security_requirement_test.go b/datamodel/high/base/security_requirement_test.go
index e056255..1033615 100644
--- a/datamodel/high/base/security_requirement_test.go
+++ b/datamodel/high/base/security_requirement_test.go
@@ -8,6 +8,7 @@ import (
 	lowbase "github.com/pb33f/libopenapi/datamodel/low/base"
 	"github.com/stretchr/testify/assert"
 	"gopkg.in/yaml.v3"
+	"strings"
 	"testing"
 )
 
@@ -16,8 +17,8 @@ func TestNewSecurityRequirement(t *testing.T) {
 	var cNode yaml.Node
 
 	yml := `pizza:
-  - cheese
-  - tomato`
+    - cheese
+    - tomato`
 
 	_ = yaml.Unmarshal([]byte(yml), &cNode)
 
@@ -32,4 +33,8 @@ func TestNewSecurityRequirement(t *testing.T) {
 
 	wentLow := highExt.GoLow()
 	assert.Len(t, wentLow.Requirements.Value, 1)
+
+	// render the high-level object as YAML
+	highBytes, _ := highExt.Render()
+	assert.Equal(t, strings.TrimSpace(string(highBytes)), yml)
 }
diff --git a/datamodel/high/base/tag.go b/datamodel/high/base/tag.go
index 68cc842..f08f120 100644
--- a/datamodel/high/base/tag.go
+++ b/datamodel/high/base/tag.go
@@ -6,6 +6,7 @@ package base
 import (
     "github.com/pb33f/libopenapi/datamodel/high"
     low "github.com/pb33f/libopenapi/datamodel/low/base"
+    "gopkg.in/yaml.v3"
 )
 
 // Tag represents a high-level Tag instance that is backed by a low-level one.
@@ -15,9 +16,9 @@ import (
 //  - v2: https://swagger.io/specification/v2/#tagObject
 //  - v3: https://swagger.io/specification/#tag-object
 type Tag struct {
-    Name         string
-    Description  string
-    ExternalDocs *ExternalDoc
+    Name         string       `json:"name,omitempty" yaml:"name,omitempty"`
+    Description  string       `json:"description,omitempty" yaml:"description,omitempty"`
+    ExternalDocs *ExternalDoc `json:"externalDocs,omitempty" yaml:"externalDocs,omitempty"`
     Extensions   map[string]any
     low          *low.Tag
 }
@@ -44,6 +45,20 @@ func (t *Tag) GoLow() *low.Tag {
     return t.low
 }
 
+// Render will return a YAML representation of the Info object as a byte slice.
+func (t *Tag) Render() ([]byte, error) {
+    return yaml.Marshal(t)
+}
+
+// MarshalYAML will create a ready to render YAML representation of the Info object.
+func (t *Tag) MarshalYAML() (interface{}, error) {
+    if t == nil {
+        return nil, nil
+    }
+    nb := high.NewNodeBuilder(t, t.low)
+    return nb.Render(), nil
+}
+
 // Experimental mutation API.
 //func (t *Tag) SetName(value string) {
 //	t.GoLow().Name.ValueNode.Value = value
diff --git a/datamodel/high/base/tag_test.go b/datamodel/high/base/tag_test.go
index dcecd90..4a20ca5 100644
--- a/datamodel/high/base/tag_test.go
+++ b/datamodel/high/base/tag_test.go
@@ -9,6 +9,7 @@ import (
 	lowbase "github.com/pb33f/libopenapi/datamodel/low/base"
 	"github.com/stretchr/testify/assert"
 	"gopkg.in/yaml.v3"
+	"strings"
 	"testing"
 )
 
@@ -19,7 +20,7 @@ func TestNewTag(t *testing.T) {
 	yml := `name: chicken
 description: nuggets
 externalDocs:
-  url: https://pb33f.io
+    url: https://pb33f.io
 x-hack: code`
 
 	_ = yaml.Unmarshal([]byte(yml), &cNode)
@@ -38,6 +39,10 @@ x-hack: code`
 	wentLow := highTag.GoLow()
 	assert.Equal(t, 5, wentLow.FindExtension("x-hack").ValueNode.Line)
 
+	// render the tag as YAML
+	highTagBytes, _ := highTag.Render()
+	assert.Equal(t, strings.TrimSpace(string(highTagBytes)), yml)
+
 }
 
 func ExampleNewTag() {
diff --git a/datamodel/high/base/xml.go b/datamodel/high/base/xml.go
index 7720496..b82c037 100644
--- a/datamodel/high/base/xml.go
+++ b/datamodel/high/base/xml.go
@@ -6,6 +6,7 @@ package base
 import (
     "github.com/pb33f/libopenapi/datamodel/high"
     low "github.com/pb33f/libopenapi/datamodel/low/base"
+    "gopkg.in/yaml.v3"
 )
 
 // XML represents a high-level representation of an XML object defined by all versions of OpenAPI and backed by
@@ -18,11 +19,11 @@ import (
 //  v2 - https://swagger.io/specification/v2/#xmlObject
 //  v3 - https://swagger.io/specification/#xml-object
 type XML struct {
-    Name       string
-    Namespace  string
-    Prefix     string
-    Attribute  bool
-    Wrapped    bool
+    Name       string `json:"name,omitempty" yaml:"name,omitempty"`
+    Namespace  string `json:"namespace,omitempty" yaml:"namespace,omitempty"`
+    Prefix     string `json:"prefix,omitempty" yaml:"prefix,omitempty"`
+    Attribute  bool   `json:"attribute,omitempty" yaml:"attribute,omitempty"`
+    Wrapped    bool   `json:"wrapped,omitempty" yaml:"wrapped,omitempty"`
     Extensions map[string]any
     low        *low.XML
 }
@@ -33,7 +34,7 @@ func NewXML(xml *low.XML) *XML {
     x.low = xml
     x.Name = xml.Name.Value
     x.Namespace = xml.Namespace.Value
-    x.Prefix = xml.Namespace.Value
+    x.Prefix = xml.Prefix.Value
     x.Attribute = xml.Attribute.Value
     x.Wrapped = xml.Wrapped.Value
     x.Extensions = high.ExtractExtensions(xml.Extensions)
@@ -44,3 +45,18 @@ func NewXML(xml *low.XML) *XML {
 func (x *XML) GoLow() *low.XML {
     return x.low
 }
+
+// Render will return a YAML representation of the XML object as a byte slice.
+func (x *XML) Render() ([]byte, error) {
+    return yaml.Marshal(x)
+}
+
+// MarshalYAML will create a ready to render YAML representation of the XML object.
+func (x *XML) MarshalYAML() (interface{}, error) {
+    if x == nil {
+        return nil, nil
+    }
+    nb := high.NewNodeBuilder(x, x.low)
+    return nb.Render(), nil
+}
+
diff --git a/datamodel/high/base/xml_test.go b/datamodel/high/base/xml_test.go
index 01d2051..9c2c7e7 100644
--- a/datamodel/high/base/xml_test.go
+++ b/datamodel/high/base/xml_test.go
@@ -7,7 +7,10 @@ import (
 	"fmt"
 	lowmodel "github.com/pb33f/libopenapi/datamodel/low"
 	lowbase "github.com/pb33f/libopenapi/datamodel/low/base"
+	"github.com/stretchr/testify/assert"
 	"gopkg.in/yaml.v3"
+	"strings"
+	"testing"
 )
 
 func ExampleNewXML() {
@@ -16,7 +19,10 @@ func ExampleNewXML() {
 	// this can be either JSON or YAML.
 	yml := `
 namespace: https://pb33f.io/schema
-prefix: sample`
+name: something
+attribute: true
+prefix: sample
+wrapped: true`
 
 	// unmarshal raw bytes
 	var node yaml.Node
@@ -34,3 +40,35 @@ prefix: sample`
 	fmt.Print(highXML.Namespace)
 	// Output: https://pb33f.io/schema
 }
+
+func TestContact_Render(t *testing.T) {
+
+	// create an example schema object
+	// this can be either JSON or YAML.
+	yml := `namespace: https://pb33f.io/schema
+name: something
+attribute: true
+prefix: sample
+wrapped: true`
+
+	// unmarshal raw bytes
+	var node yaml.Node
+	_ = yaml.Unmarshal([]byte(yml), &node)
+
+	// build out the low-level model
+	var lowXML lowbase.XML
+	_ = lowmodel.BuildModel(node.Content[0], &lowXML)
+	_ = lowXML.Build(node.Content[0], nil)
+
+	// build the high level tag
+	highXML := NewXML(&lowXML)
+
+	// print out the XML doc
+	highXMLBytes, _ := highXML.Render()
+	assert.Equal(t, yml, strings.TrimSpace(string(highXMLBytes)))
+
+	highXML.Attribute = false
+	highXMLBytes, _ = highXML.Render()
+	assert.NotEqual(t, yml, strings.TrimSpace(string(highXMLBytes)))
+
+}
\ No newline at end of file
diff --git a/datamodel/high/shared.go b/datamodel/high/shared.go
index 7394f23..274a1fb 100644
--- a/datamodel/high/shared.go
+++ b/datamodel/high/shared.go
@@ -167,10 +167,14 @@ func (n *NodeBuilder) add(key string) {
 		nodeEntry.Value = strconv.FormatInt(value.Int(), 10)
 	case reflect.String:
 		nodeEntry.Value = value.String()
+	case reflect.Bool:
+		nodeEntry.Value = value.Bool()
 	case reflect.Ptr:
 		nodeEntry.Value = f
 	case reflect.Map:
 		nodeEntry.Value = f
+	default:
+		panic("not supported yet")
 	}
 
 	// if there is no low level object, then we cannot extract line numbers,
@@ -216,26 +220,14 @@ func AddYAMLNode(parent *yaml.Node, key string, value any) *yaml.Node {
 
 	// check the type
 	t := reflect.TypeOf(value)
-	l := CreateStringNode(key)
+	var l *yaml.Node
+	if key != "" {
+		l = CreateStringNode(key)
+	}
 	var valueNode *yaml.Node
 	switch t.Kind() {
-	case reflect.String:
-		if value.(string) == "" {
-			return parent
-		}
-		valueNode = CreateStringNode(value.(string))
-	case reflect.Int:
-		valueNode = CreateIntNode(value.(int))
 	case reflect.Struct:
 		panic("no way dude, why?")
-	case reflect.Map:
-		var rawNode yaml.Node
-		err := rawNode.Encode(value)
-		if err != nil {
-			return parent
-		} else {
-			valueNode = &rawNode
-		}
 	case reflect.Ptr:
 		rawRender, _ := value.(Renderable).MarshalYAML()
 		if rawRender != nil {
@@ -244,9 +236,20 @@ func AddYAMLNode(parent *yaml.Node, key string, value any) *yaml.Node {
 			return parent
 		}
 	default:
-		panic("not supported yet")
+		var rawNode yaml.Node
+		err := rawNode.Encode(value)
+		if err != nil {
+			return parent
+		} else {
+			valueNode = &rawNode
+		}
 	}
-	parent.Content = append(parent.Content, l, valueNode)
+	if l != nil {
+		parent.Content = append(parent.Content, l, valueNode)
+	} else {
+		parent.Content = valueNode.Content
+	}
+
 	return parent
 }