diff --git a/code/API_definitions/connectivity-insights-subscriptions.yaml b/code/API_definitions/connectivity-insights-subscriptions.yaml
index 2b48291..17e8bca 100644
--- a/code/API_definitions/connectivity-insights-subscriptions.yaml
+++ b/code/API_definitions/connectivity-insights-subscriptions.yaml
@@ -746,6 +746,25 @@ components:
             Set to `true` by API consumer if consumer wants to get an event as
             soon as the subscription is created and current situation reflects
             event request.
+        monitoringTimeOffset:
+          type: string
+          format: duration
+          maxLength: 20
+          description: |
+            This is an optional input parameter. A positive duration can be
+            provided to request predictive data for the subscription.
+            The value represents an offset from the current evaluation time to the
+            future point in time for which network performance is assessed.
+            If no value is provided, the current date and time is used and network
+            data for the monitoring data aggregation is used to check network
+            performance against the application profile defined.
+            It must follow ISO 8601 Durations.
+            Examples:
+            - PT10S = 10 seconds ahead
+            - PT1M  = 1 minute ahead
+            - PT5M  = 5 minutes ahead
+            - PT10M = 10 minutes ahead
+          example: "PT10S"
     SinkCredential:
       type: object
       description: |
@@ -872,6 +891,7 @@ components:
       example: "https://notificationSendServer12.supertelco.com"
     CloudEvent:
       description: The Cloud-Event used for the callback.
+      type: object
       required:
         - id
         - source
diff --git a/code/API_definitions/connectivity-insights.yaml b/code/API_definitions/connectivity-insights.yaml
index 38c9cce..ff1648f 100644
--- a/code/API_definitions/connectivity-insights.yaml
+++ b/code/API_definitions/connectivity-insights.yaml
@@ -422,6 +422,7 @@ components:
     DeviceResponseBody:
       description: |
         The optional device identifier to include in the response
+      type: object
       properties:
         device:
           description: |
diff --git a/code/Test_definitions/connectivity-insights-subscriptions.feature b/code/Test_definitions/connectivity-insights-subscriptions.feature
index 8c5f820..e5c1e01 100644
--- a/code/Test_definitions/connectivity-insights-subscriptions.feature
+++ b/code/Test_definitions/connectivity-insights-subscriptions.feature
@@ -137,6 +137,25 @@ Feature: CAMARA Connectivity Insights Subscriptions API, vwip - Operations for S
     And notification body complies with the OAS schema at "/components/schemas/EventNetworkQuality"
     And type="org.camaraproject.connectivity-insights-subscriptions.v0.network-quality"
 
+  @connectivity_insights_subscriptions_32_create_subscription_with_monitoring_time_offset
+  Scenario: Create subscription with monitoringTimeOffset for predictive data
+    Given that subscriptions are created synchronously
+    And a valid subscription request body with network quality event type
+    And the request body property "$.config.monitoringTimeOffset" is set to "PT5M"
+    When the request "createSubscription" is sent
+    Then the response code is 201
+    And the response header "Content-Type" is "application/json"
+    And the response body complies with the OAS schema at "/components/schemas/Subscription"
+
+  @connectivity_insights_subscriptions_33_create_subscription_without_monitoring_time_offset
+  Scenario: Create subscription without monitoringTimeOffset defaults to current time
+    Given that subscriptions are created synchronously
+    And a valid subscription request body with network quality event type
+    And the request body property "$.config.monitoringTimeOffset" is not provided
+    When the request "createSubscription" is sent
+    Then the response code is 201
+    And the response body complies with the OAS schema at "/components/schemas/Subscription"
+
 ############### Error response scenarios ###########################
 
   # 400 Error Scenarios
@@ -199,6 +218,16 @@ Feature: CAMARA Connectivity Insights Subscriptions API, vwip - Operations for S
     And the response property "$.code" is "INVALID_ARGUMENT"
     And the response property "$.message" contains a user friendly text
 
+  @connectivity_insights_subscriptions_34_invalid_monitoring_time_offset
+  Scenario: Create subscription with invalid monitoringTimeOffset format
+    Given a valid subscription request body with network quality event type
+    And the request body property "$.config.monitoringTimeOffset" is set to "INVALID_DURATION"
+    When the request "createSubscription" is sent
+    Then the response code is 400
+    And the response property "$.status" is 400
+    And the response property "$.code" is "INVALID_ARGUMENT"
+    And the response property "$.message" contains a user friendly text
+
   # 401 Error Scenarios
 
   @connectivity_insights_subscriptions_19_no_authorization_header