diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
index 406105f4..376411b2 100644
--- a/CODE_OF_CONDUCT.md
+++ b/CODE_OF_CONDUCT.md
@@ -89,5 +89,5 @@ of Conduct v1.3], which is adapted from the Contributor Covenant
 (http://contributor-covenant.org), version 2.0 available at
 http://contributor-covenant.org/version/2/0/code_of_conduct/
 
-[CNCF Community Code of Conduct v1.3]:
+[cncf community code of conduct v1.3]:
   https://github.com/cncf/foundation/blob/main/code-of-conduct.md
diff --git a/aep/general/0004/aep.md.j2 b/aep/general/0004/aep.md.j2
index c706c398..ac5a976a 100644
--- a/aep/general/0004/aep.md.j2
+++ b/aep/general/0004/aep.md.j2
@@ -73,7 +73,8 @@ For OpenAPI 3.0, Resources must be defined in `#components/schemas` and use the
             "projects/{project}/user-events/{user-event}",
             "folder/{folder}/user-events/{user-event}",
             "users/{user}/events/{user-event}"
-          ]
+          ],
+          "parents": ["project", "folder", "user"]
         }
       }
     }
@@ -81,6 +82,10 @@ For OpenAPI 3.0, Resources must be defined in `#components/schemas` and use the
 }
 ```
 
+- If the resource has any parents, they must be specified in the parents field
+using the singular name of the resource. The resource must be defined with a
+`x-aep-resource` annotation.
+
 {% endtabs %}
 
 - The `singular` field **must** be the kebab-case singular type name.
diff --git a/aep/general/example.oas.yaml b/aep/general/example.oas.yaml
index 75f077d4..fcb0a826 100644
--- a/aep/general/example.oas.yaml
+++ b/aep/general/example.oas.yaml
@@ -354,6 +354,7 @@
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Publisher' },
                   },
                   {
                     'name': 'max_page_size',
@@ -411,6 +412,7 @@
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Publisher' },
                   },
                 ],
               'responses':
@@ -452,6 +454,7 @@
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Publisher' },
                   },
                   {
                     'name': 'book',
@@ -487,6 +490,7 @@
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Publisher' },
                   },
                   {
                     'name': 'book',
@@ -575,6 +579,7 @@
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Publisher' },
                   },
                   {
                     'name': 'book',
@@ -611,12 +616,14 @@
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Publisher' },
                   },
                   {
                     'name': 'book',
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Book' },
                   },
                   {
                     'name': 'max_page_size',
@@ -669,12 +676,14 @@
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Publisher' },
                   },
                   {
                     'name': 'book',
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Book' },
                   },
                 ],
               'responses':
@@ -721,12 +730,14 @@
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Publisher' },
                   },
                   {
                     'name': 'book',
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Book' },
                   },
                   {
                     'name': 'book-edition',
@@ -764,12 +775,14 @@
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Publisher' },
                   },
                   {
                     'name': 'book',
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Book' },
                   },
                   {
                     'name': 'book-edition',
@@ -801,12 +814,14 @@
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Publisher' },
                   },
                   {
                     'name': 'book',
                     'in': 'path',
                     'required': true,
                     'schema': { 'type': 'string' },
+                    'x-aep-resource-reference': { 'resource': 'Book' },
                   },
                 ],
               'responses':