diff --git a/Mp1.json b/Mp1.json
index e6504ccc2bbcc2199df458cdc54a3f1c9db9a01e..a3583e3e365d01bf00ccba21fc1c3d7bf37bc535 100644
--- a/Mp1.json
+++ b/Mp1.json
@@ -76,24 +76,21 @@
       "description": "Represents a mobile edge application instance. Note that the appInstanceId is allocated by the mobile edge platform manager.",
       "in": "path",
       "required": true,
-      "type": "string",
-      "format": "uri"
+      "type": "string"
     },
     "Path.DnsRuleId": {
       "name": "dnsRuleId",
       "description": "Represents a DNS rule.",
       "in": "path",
       "required": true,
-      "type": "string",
-      "format": "uri"
+      "type": "string"
     },
     "Path.SubscriptionId": {
       "name": "subscriptionId",
       "description": "Represents a subscription to the notifications from the mobile edge platform.",
       "in": "path",
       "required": true,
-      "type": "string",
-      "format": "uri"
+      "type": "string"
     },
     "Path.SubscriptionType": {
       "name": "subscriptionType",
@@ -101,23 +98,24 @@
       "in": "path",
       "required": true,
       "type": "string",
-      "format": "uri"
+      "enum": [
+        "AppTerminationNotificationSubscription",
+        "SerAvailabilityNotificationSubscription"
+      ]
     },
     "Path.ServiceId": {
       "name": "serviceId",
       "description": "Represents a mobile edge service instance.",
       "in": "path",
       "required": true,
-      "type": "string",
-      "format": "uri"
+      "type": "string"
     },
     "Path.TrafficRuleId": {
       "name": "trafficRuleId",
       "description": "Represents a traffic rule.",
       "in": "path",
       "required": true,
-      "type": "string",
-      "format": "uri"
+      "type": "string"
     },
     "Query.Ser_category_id": {
       "name": "ser_category_id",
@@ -2653,4 +2651,4 @@
       }
     }
   }
-}
+}
\ No newline at end of file
diff --git a/Mp1.yaml b/Mp1.yaml
index 4b447a70f1926cbf98af0b40450efee4bf5f4180..dea0f473806376cb7614aa0ba9f3f50b242ba398 100644
--- a/Mp1.yaml
+++ b/Mp1.yaml
@@ -69,14 +69,12 @@ parameters:
     in: path
     required: true
     type: string
-    format: uri
   Path.DnsRuleId:
     name: dnsRuleId
     description: Represents a DNS rule.
     in: path
     required: true
     type: string
-    format: uri
   Path.SubscriptionId:
     name: subscriptionId
     description: >-
@@ -85,7 +83,6 @@ parameters:
     in: path
     required: true
     type: string
-    format: uri
   Path.SubscriptionType:
     name: subscriptionType
     description: >-
@@ -94,21 +91,21 @@ parameters:
     in: path
     required: true
     type: string
-    format: uri
+    enum:
+    - AppTerminationNotificationSubscription
+    - SerAvailabilityNotificationSubscription
   Path.ServiceId:
     name: serviceId
     description: Represents a mobile edge service instance.
     in: path
     required: true
     type: string
-    format: uri
   Path.TrafficRuleId:
     name: trafficRuleId
     description: Represents a traffic rule.
     in: path
     required: true
     type: string
-    format: uri
   Query.Ser_category_id:
     name: ser_category_id
     description: >-
diff --git a/parameters/Path.AppInstanceId.yaml b/parameters/Path.AppInstanceId.yaml
index a29162070d38e0ac028b240c03f4bdcad215e36f..81c91ce5c84d713aed37eeaba74871ce696a5480 100644
--- a/parameters/Path.AppInstanceId.yaml
+++ b/parameters/Path.AppInstanceId.yaml
@@ -2,5 +2,4 @@ name: appInstanceId
 description: Represents a mobile edge application instance. Note that the appInstanceId is allocated by the mobile edge platform manager. 
 in: path
 required: true
-type: string
-format: uri
\ No newline at end of file
+type: string
\ No newline at end of file
diff --git a/parameters/Path.DnsRuleId.yaml b/parameters/Path.DnsRuleId.yaml
index 753e5729c156f7624b314781df660da9112a31d3..980479ffb4bbdb3203dd3908fc1255ab4ce2f3c9 100644
--- a/parameters/Path.DnsRuleId.yaml
+++ b/parameters/Path.DnsRuleId.yaml
@@ -2,5 +2,4 @@ name: dnsRuleId
 description: Represents a DNS rule.
 in: path
 required: true
-type: string
-format: uri
\ No newline at end of file
+type: string
\ No newline at end of file
diff --git a/parameters/Path.ServiceId.yaml b/parameters/Path.ServiceId.yaml
index fd7e41ec39c19b8906d9641dfce38a1cf8dfcb4a..94d038d0d244fcc338390c5ef50b40eafda80fd7 100644
--- a/parameters/Path.ServiceId.yaml
+++ b/parameters/Path.ServiceId.yaml
@@ -2,5 +2,4 @@ name: serviceId
 description: Represents a mobile edge service instance.
 in: path
 required: true
-type: string
-format: uri
\ No newline at end of file
+type: string
\ No newline at end of file
diff --git a/parameters/Path.SubscriptionId.yaml b/parameters/Path.SubscriptionId.yaml
index 5b58d0ff6d5ff0f3a4907836f272e47904f3ab21..93e51912629a836344c1398f26b10e304ad23bdd 100644
--- a/parameters/Path.SubscriptionId.yaml
+++ b/parameters/Path.SubscriptionId.yaml
@@ -2,5 +2,4 @@ name: subscriptionId
 description: Represents a subscription to the notifications from the mobile edge platform.
 in: path
 required: true
-type: string
-format: uri
\ No newline at end of file
+type: string
\ No newline at end of file
diff --git a/parameters/Path.SubscriptionType.yaml b/parameters/Path.SubscriptionType.yaml
index aa541142e46bdd971c85f6e5ee732a15701c642c..d8a559f71f5195809503295ab4367f5c0cbf29cd 100644
--- a/parameters/Path.SubscriptionType.yaml
+++ b/parameters/Path.SubscriptionType.yaml
@@ -3,4 +3,6 @@ description: Represents a subscription type to the notifications from the mobile
 in: path
 required: true
 type: string
-format: uri
\ No newline at end of file
+enum:
+- SerAvailabilityNotificationSubscription
+- AppTerminationNotificationSubscription
\ No newline at end of file
diff --git a/parameters/Path.TrafficRuleId.yaml b/parameters/Path.TrafficRuleId.yaml
index 1e0a4000d12b0ec4a346ec2621e0d122728b3909..ffaeab6b2b4915297bf44404a794cb7fbd7800a0 100644
--- a/parameters/Path.TrafficRuleId.yaml
+++ b/parameters/Path.TrafficRuleId.yaml
@@ -2,5 +2,4 @@ name: trafficRuleId
 description: Represents a traffic rule.
 in: path
 required: true
-type: string
-format: uri
\ No newline at end of file
+type: string
\ No newline at end of file