diff --git a/image/model.png b/image/model.png
index 9958f2c..1661d39 100644
Binary files a/image/model.png and b/image/model.png differ
diff --git a/model.puml b/model.puml
index 6400729..be2d427 100644
--- a/model.puml
+++ b/model.puml
@@ -34,6 +34,10 @@ class TroubleTicket  <<Pivot>> {
     @type : String
 }
 
+class InteropTroubleTicket <<Pivot>> {
+}
+TroubleTicket <|-- InteropTroubleTicket
+
 class TroubleTicketStatusType <<Enumeration>> {
     acknowledged
     rejected
@@ -97,6 +101,16 @@ class RelatedEntity <<Ref>> {
     @type : String
 }
 
+class RelatedAssetGroup <<Ref>> {
+    JSONPath : String
+    role: String
+    entityType : String
+    @baseType : String
+    @referredType : String
+    @schemaLocation : Uri
+    @type : String
+}
+
 class RelatedParty <<Ref>>  {
     href : String
     id : String
@@ -122,6 +136,8 @@ TroubleTicket *-->  "0..*" TroubleTicketRelationship : troubleTicketRelationship
 
 TroubleTicket *-->  "0..*" RelatedEntity : relatedEntity
 
+InteropTroubleTicket *-->  "0..*" RelatedAssetGroup : relatedAssetGroup
+
 legend
     |= Color |= Description |
     |<#Thistle>| Enumération de constantes|
diff --git a/swagger.yaml b/swagger.yaml
index e4f8916..ad5eeac 100644
--- a/swagger.yaml
+++ b/swagger.yaml
@@ -666,6 +666,46 @@ components:
           description: The actual type of the target instance when needed for
             disambiguation.
           maxLength: 255
+
+    jsonPathAssetGroup:
+      type: object
+      description: JsonPath expression used to reference an asset group
+      required:
+        - jsonPath
+        - "@referredType"
+      properties:
+        jsonPath:
+          type: string
+          description: jsonPath expression used to point an asset group (i.e relatedEntities)
+          maxLength: 2048
+        role:
+          type: string
+          description: The role of an entity.
+          maxLength: 50
+        entityType:
+          type: string
+          description: The (sub)resource to used (filtering by json path query).
+          maxLength: 255
+        "@baseType":
+          type: string
+          description: When sub-classing, this defines the super-class
+          maxLength: 255
+        "@referredType":
+          type: string
+          description: The actual type of the target instance when needed for
+            disambiguation.
+          maxLength: 255
+        "@schemaLocation":
+          type: string
+          format: uri
+          description: A URI to a JSON-Schema file that defines additional attributes and
+            relationships
+          maxLength: 2048
+        "@type":
+          type: string
+          description: When sub-classing, this defines the sub-class entity name
+          maxLength: 255
+
     RelatedParty:
       type: object
       description: Related Entity reference. A related party defines party or party role linked to a specific entity.
@@ -855,6 +895,18 @@ components:
           type: string
           description: When sub-classing, this defines the sub-class entity name
           maxLength: 255
+      discriminator:
+        propertyName: "@type"
+
+    InteropTroubleTicket:
+      description: Specific Interop Implementation with AssetGroup support
+      allOf:
+        - $ref: "#/components/schemas/TroubleTicket"
+        - type: object
+          properties:
+            relatedAssetGroup:
+              $ref: "#/components/schemas/jsonPathAssetGroup"
+
     TroubleTicket_Create:
       type: object
       description: >-
@@ -933,6 +985,18 @@ components:
           type: string
           description: When sub-classing, this defines the sub-class entity name
           maxLength: 255
+      discriminator:
+        propertyName: "@type"
+
+    InteropTroubleTicket_Create:
+      description: Specific Interop Implementation with AssetGroup support
+      allOf:
+        - $ref: "#/components/schemas/TroubleTicket_Create"
+        - type: object
+          properties:
+            relatedAssetGroup:
+              $ref: "#/components/schemas/jsonPathAssetGroup"
+
     TroubleTicket_Update:
       type: object
       description: >-