diff --git a/bridge/device/thingDescription/thingDescription.go b/bridge/device/thingDescription/thingDescription.go
index 30353948..f770f185 100644
--- a/bridge/device/thingDescription/thingDescription.go
+++ b/bridge/device/thingDescription/thingDescription.go
@@ -1,11 +1,13 @@
 package thingDescription
 
 import (
+	"net/http"
 	"net/url"
 
 	"github.com/fredbi/uri"
 	"github.com/google/uuid"
 	"github.com/plgd-dev/device/v2/bridge/resources"
+	"github.com/plgd-dev/go-coap/v3/message"
 	"github.com/web-of-things-open-source/thingdescription-go/thingDescription"
 )
 
@@ -97,7 +99,42 @@ func (p PropertyElementOperations) ToSupportedOperations() resources.SupportedOp
 	return ops | resources.SupportedOperationRead | resources.SupportedOperationWrite
 }
 
-func PatchPropertyElement(prop thingDescription.PropertyElement, types []string, setForm bool, deviceID uuid.UUID, href string, ops resources.SupportedOperation, contentType string) (thingDescription.PropertyElement, error) {
+func createForm(hrefUri *url.URL, covMethod string, op thingDescription.StickyDescription, contentType message.MediaType) thingDescription.FormElementProperty {
+	additionalFields := map[string]interface{}{
+		"cov:method": covMethod,
+		"cov:accept": float64(contentType),
+	}
+	ops := []string{string(op)}
+	if op == thingDescription.Observeproperty {
+		additionalFields["subprotocol"] = "cov:observe"
+		ops = append(ops, string(thingDescription.Unobserveproperty))
+	}
+
+	return thingDescription.FormElementProperty{
+		ContentType: StringToPtr(contentType.String()),
+		Href:        *hrefUri,
+		Op: &thingDescription.FormElementPropertyOp{
+			StringArray: ops,
+		},
+		AdditionalFields: additionalFields,
+	}
+}
+
+func SetForms(hrefUri *url.URL, ops resources.SupportedOperation, contentType message.MediaType) []thingDescription.FormElementProperty {
+	forms := make([]thingDescription.FormElementProperty, 0, 3)
+	if ops.HasOperation(resources.SupportedOperationWrite) {
+		forms = append(forms, createForm(hrefUri, http.MethodPost, thingDescription.Writeproperty, contentType))
+	}
+	if ops.HasOperation(resources.SupportedOperationRead) {
+		forms = append(forms, createForm(hrefUri, http.MethodGet, thingDescription.Readproperty, contentType))
+	}
+	if ops.HasOperation(resources.SupportedOperationObserve) {
+		forms = append(forms, createForm(hrefUri, http.MethodGet, thingDescription.Observeproperty, contentType))
+	}
+	return forms
+}
+
+func PatchPropertyElement(prop thingDescription.PropertyElement, types []string, setForm bool, deviceID uuid.UUID, href string, ops resources.SupportedOperation, contentType message.MediaType) (thingDescription.PropertyElement, error) {
 	if len(types) > 0 {
 		prop.Type = &thingDescription.TypeDeclaration{
 			StringArray: types,
@@ -126,16 +163,7 @@ func PatchPropertyElement(prop thingDescription.PropertyElement, types []string,
 			return thingDescription.PropertyElement{}, err
 		}
 	}
-	form := thingDescription.FormElementProperty{
-		ContentType: StringToPtr(contentType),
-		Op: &thingDescription.FormElementPropertyOp{
-			StringArray: opsStrs,
-		},
-	}
-	if hrefUri != nil {
-		form.Href = *hrefUri
-	}
-	prop.Forms = []thingDescription.FormElementProperty{form}
+	prop.Forms = SetForms(hrefUri, ops, contentType)
 	return prop, nil
 }
 
diff --git a/bridge/resources/thingDescription/ocfResources.go b/bridge/resources/thingDescription/ocfResources.go
index cdd1817e..ca704490 100644
--- a/bridge/resources/thingDescription/ocfResources.go
+++ b/bridge/resources/thingDescription/ocfResources.go
@@ -9,6 +9,7 @@ import (
 	schemaCredential "github.com/plgd-dev/device/v2/schema/credential"
 	schemaDevice "github.com/plgd-dev/device/v2/schema/device"
 	schemaMaintenance "github.com/plgd-dev/device/v2/schema/maintenance"
+	"github.com/plgd-dev/go-coap/v3/message"
 	"github.com/web-of-things-open-source/thingdescription-go/thingDescription"
 )
 
@@ -39,12 +40,12 @@ func GetOCFResourcePropertyElement(resourceHref string) (thingDescription.Proper
 	return prop, true
 }
 
-func patchResourcePropertyElement(pe thingDescription.PropertyElement, deviceID uuid.UUID, resourceTypes []string, resourceHref, contentType string) (thingDescription.PropertyElement, error) {
+func patchResourcePropertyElement(pe thingDescription.PropertyElement, deviceID uuid.UUID, resourceTypes []string, resourceHref string, contentType message.MediaType) (thingDescription.PropertyElement, error) {
 	propOps := bridgeTD.GetPropertyElementOperations(pe)
 	return bridgeTD.PatchPropertyElement(pe, resourceTypes, true, deviceID, resourceHref, propOps.ToSupportedOperations(), contentType)
 }
 
-func PatchDeviceResourcePropertyElement(pe thingDescription.PropertyElement, deviceID uuid.UUID, baseURL, contentType string, deviceType string) (thingDescription.PropertyElement, error) {
+func PatchDeviceResourcePropertyElement(pe thingDescription.PropertyElement, deviceID uuid.UUID, baseURL string, contentType message.MediaType, deviceType string) (thingDescription.PropertyElement, error) {
 	var types []string
 	if deviceType != "" {
 		types = []string{schemaDevice.ResourceType, deviceType}
@@ -52,14 +53,14 @@ func PatchDeviceResourcePropertyElement(pe thingDescription.PropertyElement, dev
 	return patchResourcePropertyElement(pe, deviceID, types, baseURL+schemaDevice.ResourceURI, contentType)
 }
 
-func PatchMaintenanceResourcePropertyElement(pe thingDescription.PropertyElement, deviceID uuid.UUID, baseURL, contentType string) (thingDescription.PropertyElement, error) {
+func PatchMaintenanceResourcePropertyElement(pe thingDescription.PropertyElement, deviceID uuid.UUID, baseURL string, contentType message.MediaType) (thingDescription.PropertyElement, error) {
 	return patchResourcePropertyElement(pe, deviceID, []string{schemaMaintenance.ResourceType}, baseURL+schemaMaintenance.ResourceURI, contentType)
 }
 
-func PatchCloudResourcePropertyElement(pe thingDescription.PropertyElement, deviceID uuid.UUID, baseURL, contentType string) (thingDescription.PropertyElement, error) {
+func PatchCloudResourcePropertyElement(pe thingDescription.PropertyElement, deviceID uuid.UUID, baseURL string, contentType message.MediaType) (thingDescription.PropertyElement, error) {
 	return patchResourcePropertyElement(pe, deviceID, []string{schemaCloud.ResourceType}, baseURL+schemaCloud.ResourceURI, contentType)
 }
 
-func PatchCredentialResourcePropertyElement(pe thingDescription.PropertyElement, deviceID uuid.UUID, baseURL, contentType string) (thingDescription.PropertyElement, error) {
+func PatchCredentialResourcePropertyElement(pe thingDescription.PropertyElement, deviceID uuid.UUID, baseURL string, contentType message.MediaType) (thingDescription.PropertyElement, error) {
 	return patchResourcePropertyElement(pe, deviceID, []string{schemaCredential.ResourceType}, baseURL+schemaCredential.ResourceURI, contentType)
 }
diff --git a/bridge/resources/thingDescription/resource_test.go b/bridge/resources/thingDescription/resource_test.go
index 82716b80..6b182d87 100644
--- a/bridge/resources/thingDescription/resource_test.go
+++ b/bridge/resources/thingDescription/resource_test.go
@@ -99,7 +99,7 @@ func getEndpoint(t *testing.T, c *client.Client, deviceID string) string {
 
 func getPatchedTD(td wotTD.ThingDescription, d service.Device, epURI string) wotTD.ThingDescription {
 	return bridgeDeviceTD.PatchThingDescription(td, d, epURI, func(resourceHref string, resource bridgeDeviceTD.Resource) (wotTD.PropertyElement, bool) {
-		return bridgeTest.GetPropertyElement(td, d, epURI, resourceHref, resource, message.AppCBOR.String())
+		return bridgeTest.GetPropertyElement(td, d, epURI, resourceHref, resource, message.AppCBOR)
 	})
 }
 
diff --git a/bridge/test/test.go b/bridge/test/test.go
index 341942fc..8edcf8c9 100644
--- a/bridge/test/test.go
+++ b/bridge/test/test.go
@@ -115,7 +115,7 @@ func makeDeviceConfig(id uuid.UUID, cloudEnabled bool, credentialEnabled bool) d
 	return cfg
 }
 
-func GetPropertyElement(td wotTD.ThingDescription, device bridgeDeviceTD.Device, endpoint string, resourceHref string, resource bridgeDeviceTD.Resource, contentType string) (wotTD.PropertyElement, bool) {
+func GetPropertyElement(td wotTD.ThingDescription, device bridgeDeviceTD.Device, endpoint string, resourceHref string, resource bridgeDeviceTD.Resource, contentType message.MediaType) (wotTD.PropertyElement, bool) {
 	propElement, ok := td.Properties[resourceHref]
 	if !ok {
 		return wotTD.PropertyElement{}, false
@@ -149,7 +149,7 @@ func NewBridgedDeviceWithThingDescription(t *testing.T, s *service.Service, id s
 			}
 			newTD := bridgeDeviceTD.PatchThingDescription(*td, device, endpoint,
 				func(resourceHref string, resource bridgeDeviceTD.Resource) (wotTD.PropertyElement, bool) {
-					return GetPropertyElement(*td, device, endpoint, resourceHref, resource, message.AppCBOR.String())
+					return GetPropertyElement(*td, device, endpoint, resourceHref, resource, message.AppCBOR)
 				})
 			return &newTD
 		}))
@@ -163,7 +163,7 @@ func getOCFResourcesProperties(deviceID uuid.UUID, baseURL string, cloudEnabled,
 	if !ok {
 		return nil, errors.New("device resource not found")
 	}
-	deviceResource, err := thingDescriptionResource.PatchDeviceResourcePropertyElement(deviceResource, deviceID, baseURL, message.AppCBOR.String(), "")
+	deviceResource, err := thingDescriptionResource.PatchDeviceResourcePropertyElement(deviceResource, deviceID, baseURL, message.AppCBOR, "")
 	if err != nil {
 		return nil, err
 	}
@@ -174,7 +174,7 @@ func getOCFResourcesProperties(deviceID uuid.UUID, baseURL string, cloudEnabled,
 		return nil, errors.New("maintenance resource not found")
 	}
 	properties[schemaMaintenance.ResourceURI] = maintenanceResource
-	maintenanceResource, err = thingDescriptionResource.PatchMaintenanceResourcePropertyElement(maintenanceResource, deviceID, baseURL, message.AppCBOR.String())
+	maintenanceResource, err = thingDescriptionResource.PatchMaintenanceResourcePropertyElement(maintenanceResource, deviceID, baseURL, message.AppCBOR)
 	if err != nil {
 		return nil, err
 	}
@@ -185,7 +185,7 @@ func getOCFResourcesProperties(deviceID uuid.UUID, baseURL string, cloudEnabled,
 		if !ok {
 			return nil, errors.New("cloud resource not found")
 		}
-		cloudResource, err = thingDescriptionResource.PatchCloudResourcePropertyElement(cloudResource, deviceID, baseURL, message.AppCBOR.String())
+		cloudResource, err = thingDescriptionResource.PatchCloudResourcePropertyElement(cloudResource, deviceID, baseURL, message.AppCBOR)
 		if err != nil {
 			return nil, err
 		}
@@ -197,7 +197,7 @@ func getOCFResourcesProperties(deviceID uuid.UUID, baseURL string, cloudEnabled,
 		if !ok {
 			return nil, errors.New("credential resource not found")
 		}
-		credentialResource, err = thingDescriptionResource.PatchCredentialResourcePropertyElement(credentialResource, deviceID, baseURL, message.AppCBOR.String())
+		credentialResource, err = thingDescriptionResource.PatchCredentialResourcePropertyElement(credentialResource, deviceID, baseURL, message.AppCBOR)
 		if err != nil {
 			return nil, err
 		}
diff --git a/cmd/bridge-device/device/device.go b/cmd/bridge-device/device/device.go
index 3d5c879f..e64519d3 100644
--- a/cmd/bridge-device/device/device.go
+++ b/cmd/bridge-device/device/device.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/google/uuid"
 	bridgeTD "github.com/plgd-dev/device/v2/bridge/device/thingDescription"
+	"github.com/plgd-dev/go-coap/v3/message"
 	"github.com/web-of-things-open-source/thingdescription-go/thingDescription"
 )
 
@@ -41,7 +42,7 @@ func GetPropertyDescriptionForTestResource() thingDescription.PropertyElement {
 	}
 }
 
-func PatchTestResourcePropertyElement(pe thingDescription.PropertyElement, deviceID uuid.UUID, href, contentType string) (thingDescription.PropertyElement, error) {
+func PatchTestResourcePropertyElement(pe thingDescription.PropertyElement, deviceID uuid.UUID, href string, contentType message.MediaType) (thingDescription.PropertyElement, error) {
 	propOps := bridgeTD.GetPropertyElementOperations(pe)
 	return bridgeTD.PatchPropertyElement(pe, []string{TestResourceType}, true, deviceID, href,
 		propOps.ToSupportedOperations(), contentType)
diff --git a/cmd/bridge-device/main.go b/cmd/bridge-device/main.go
index fa2115d3..bb63d54c 100644
--- a/cmd/bridge-device/main.go
+++ b/cmd/bridge-device/main.go
@@ -97,7 +97,7 @@ func patchPropertyElement(td wotTD.ThingDescription, dev *device.Device, endpoin
 	if !ok {
 		return wotTD.PropertyElement{}, false
 	}
-	propElement, err := thingDescription.PatchPropertyElement(propElement, resource.GetResourceTypes(), endpoint != "", dev.GetID(), resource.GetHref(), resource.SupportsOperations(), message.AppCBOR.String())
+	propElement, err := thingDescription.PatchPropertyElement(propElement, resource.GetResourceTypes(), endpoint != "", dev.GetID(), resource.GetHref(), resource.SupportsOperations(), message.AppCBOR)
 	return propElement, err == nil
 }
 
diff --git a/go.mod b/go.mod
index 396e2a8c..b99f7a5c 100644
--- a/go.mod
+++ b/go.mod
@@ -20,7 +20,7 @@ require (
 	github.com/plgd-dev/kit/v2 v2.0.0-20211006190727-057b33161b90
 	github.com/stretchr/testify v1.9.0
 	github.com/ugorji/go/codec v1.2.12
-	github.com/web-of-things-open-source/thingdescription-go v0.0.0-20240510090525-772cd4ad3459
+	github.com/web-of-things-open-source/thingdescription-go v0.0.0-20240510130416-741fef736e1e
 	go.uber.org/atomic v1.11.0
 	golang.org/x/sync v0.7.0
 	google.golang.org/grpc v1.63.2
diff --git a/go.sum b/go.sum
index 898e1f20..08cc6127 100644
--- a/go.sum
+++ b/go.sum
@@ -139,8 +139,8 @@ github.com/ugorji/go/codec v1.2.12/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZ
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/valyala/fasthttp v1.12.0/go.mod h1:229t1eWu9UXTPmoUkbpN/fctKPBY4IJoFXQnxHGXy6E=
 github.com/valyala/tcplisten v0.0.0-20161114210144-ceec8f93295a/go.mod h1:v3UYOV9WzVtRmSR+PDvWpU/qWl4Wa5LApYYX4ZtKbio=
-github.com/web-of-things-open-source/thingdescription-go v0.0.0-20240510090525-772cd4ad3459 h1:5JIsujthXmSrKC318Y6UJRyQ2yysV0cuen70fL9LW3U=
-github.com/web-of-things-open-source/thingdescription-go v0.0.0-20240510090525-772cd4ad3459/go.mod h1:L/jWuWf+v7rmuFykpUP/runRXTnnA0QdGGgou8vzPrw=
+github.com/web-of-things-open-source/thingdescription-go v0.0.0-20240510130416-741fef736e1e h1:blQyU8WqqyRcBmaAPLiU5cTg9BSQu04CJZ/ffEzgI1s=
+github.com/web-of-things-open-source/thingdescription-go v0.0.0-20240510130416-741fef736e1e/go.mod h1:L/jWuWf+v7rmuFykpUP/runRXTnnA0QdGGgou8vzPrw=
 github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
 github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=