diff --git a/api/alternative/default.json b/api/alternative/default.json
new file mode 100644
index 0000000..66c1ea7
--- /dev/null
+++ b/api/alternative/default.json
@@ -0,0 +1,20 @@
+{
+    "name": "default",
+    "guide": "{{.SelfFolder}}/errm01.md",
+    "description": "Default error model",
+    "templates": [
+        {
+            "engine": "",
+            "folder": "{{.SelfFolder}}/definitions/{{.TemplateName}}",
+            "file_name": "error-model.tmpl",
+            "output_folder": "",
+            "output_name": "",
+            "section": "",
+            "model": {
+                "activity": {
+                    "category": "OTHER"
+                }
+            }
+       }
+    ]
+}
\ No newline at end of file
diff --git a/api/alternative/default/definitions/error-model.tmpl b/api/alternative/default/definitions/error-model.tmpl
new file mode 100644
index 0000000..5784ed2
--- /dev/null
+++ b/api/alternative/default/definitions/error-model.tmpl
@@ -0,0 +1,52 @@
+# Sequence diagram
+
+This represents the sequence diagram for 
+service names {{ range .ServiceNames}}**{{.}}** {{ end }} 
+
+```mermaid
+sequenceDiagram
+
+    participant consumer as Consumer
+    participant gateway as Gateway
+    participant microservice as ServiceName
+    participant feature as Svc Feature
+    participant authz as Authorisation
+    participant log as Logger
+{{ range .Apis}}participant {{ .Name }} as Svc{{ .Name }}
+{{ end }}
+
+    consumer->>+gateway: {{.ServicePoints}}
+    activate consumer
+    
+    note right of gateway: Authentication check at GW
+    gateway->>+microservice: {{.ServicePoints}}
+
+    microservice->>+authz: Validate requestor
+    note right of authz: Authorise to function
+    authz-->>-microservice: 200 or 401/403 status
+
+    microservice->>+feature: Check feature switch
+    feature-->>-microservice: 200 or 401/403 status
+
+    microservice-)log: log request/response
+	{{ range .Apis}}
+    microservice-->>+{{ .Name }}: link {{ .Url }}
+	note right of {{ .Name }}: Explanation of what happens
+	{{ .Name }}-->>-microservice: 200 OK response
+	{{ end }}
+
+    alt 200 OK
+    microservice-->>gateway: 200 OK response
+    gateway-->>consumer: 200 OK response
+    else not OK, error
+    microservice-->>-gateway: !200 ERR response
+    gateway-->>-consumer: !200 ERR response
+    end
+    deactivate consumer
+
+```
+
+***Note***: Adjust the default sequence diagram above
+
+Copyright {{.QaskxDot.ServiceOwner}}
+Contact {{.QaskxDot.ServiceOwnerEmail}}
diff --git a/api/alternative/error-model.json b/api/alternative/error-model.json
new file mode 100644
index 0000000..5be26ba
--- /dev/null
+++ b/api/alternative/error-model.json
@@ -0,0 +1,20 @@
+{
+    "name": "error-model",
+    "guide": "{{.SelfFolder}}/error-model.md",
+    "description": "Default error model",
+    "templates": [
+        {
+            "engine": "",
+            "folder": "{{.SelfFolder}}/definitions/{{.TemplateName}}",
+            "file_name": "error-model.tmpl",
+            "output_folder": "",
+            "output_name": "",
+            "section": "",
+            "model": {
+                "activity": {
+                    "category": "OTHER"
+                }
+            }
+       }
+    ]
+}
\ No newline at end of file
diff --git a/api/alternative/error-model/definitions/error-model.tmpl b/api/alternative/error-model/definitions/error-model.tmpl
new file mode 100644
index 0000000..c6f914a
--- /dev/null
+++ b/api/alternative/error-model/definitions/error-model.tmpl
@@ -0,0 +1,6 @@
+{
+"description": "Standard error model",
+"example":     25,
+"format":      "integer",
+"type":        "number"
+}
\ No newline at end of file
diff --git a/api/default/error-model.json b/api/default/error-model.json
new file mode 100644
index 0000000..86335fb
--- /dev/null
+++ b/api/default/error-model.json
@@ -0,0 +1,20 @@
+{
+    "name": "error-model",
+    "guide": "{{.SelfFolder}}/error-model.md",
+    "description": "Default error model",
+    "templates": [
+        {
+            "engine": "",
+            "folder": "{{.SelfFolder}}/{{.TemplateName}}/definitions",
+            "file_name": "error-model.tmpl",
+            "output_folder": "",
+            "output_name": "",
+            "section": "",
+            "model": {
+                "activity": {
+                    "category": "OTHER"
+                }
+            }
+       }
+    ]
+}
\ No newline at end of file
diff --git a/api/default/error-model/error-model.json b/api/error-model/error-model.json
similarity index 79%
rename from api/default/error-model/error-model.json
rename to api/error-model/error-model.json
index 2c8e2f4..b6f141b 100644
--- a/api/default/error-model/error-model.json
+++ b/api/error-model/error-model.json
@@ -1,5 +1,5 @@
 {
-    "name": "errm01",
+    "name": "error-model",
     "guide": "{{.SelfFolder}}/errm01.md",
     "description": "Default error model",
     "templates": [
@@ -7,8 +7,8 @@
             "engine": "",
             "folder": "{{.SelfFolder}}/definitions/{{.TemplateName}}",
             "file_name": "error-model.tmpl",
-            "output_folder": "^/docsxxx",
-            "output_name": "seqdgm01.md",
+            "output_folder": "",
+            "output_name": "",
             "section": "",
             "model": {
                 "activity": {
diff --git a/api/error-model/error-model/definitions/error-model.tmpl b/api/error-model/error-model/definitions/error-model.tmpl
new file mode 100644
index 0000000..5784ed2
--- /dev/null
+++ b/api/error-model/error-model/definitions/error-model.tmpl
@@ -0,0 +1,52 @@
+# Sequence diagram
+
+This represents the sequence diagram for 
+service names {{ range .ServiceNames}}**{{.}}** {{ end }} 
+
+```mermaid
+sequenceDiagram
+
+    participant consumer as Consumer
+    participant gateway as Gateway
+    participant microservice as ServiceName
+    participant feature as Svc Feature
+    participant authz as Authorisation
+    participant log as Logger
+{{ range .Apis}}participant {{ .Name }} as Svc{{ .Name }}
+{{ end }}
+
+    consumer->>+gateway: {{.ServicePoints}}
+    activate consumer
+    
+    note right of gateway: Authentication check at GW
+    gateway->>+microservice: {{.ServicePoints}}
+
+    microservice->>+authz: Validate requestor
+    note right of authz: Authorise to function
+    authz-->>-microservice: 200 or 401/403 status
+
+    microservice->>+feature: Check feature switch
+    feature-->>-microservice: 200 or 401/403 status
+
+    microservice-)log: log request/response
+	{{ range .Apis}}
+    microservice-->>+{{ .Name }}: link {{ .Url }}
+	note right of {{ .Name }}: Explanation of what happens
+	{{ .Name }}-->>-microservice: 200 OK response
+	{{ end }}
+
+    alt 200 OK
+    microservice-->>gateway: 200 OK response
+    gateway-->>consumer: 200 OK response
+    else not OK, error
+    microservice-->>-gateway: !200 ERR response
+    gateway-->>-consumer: !200 ERR response
+    end
+    deactivate consumer
+
+```
+
+***Note***: Adjust the default sequence diagram above
+
+Copyright {{.QaskxDot.ServiceOwner}}
+Contact {{.QaskxDot.ServiceOwnerEmail}}