diff --git a/docs/usermanual.md b/docs/usermanual.md
index bd8c1f163..091ba450d 100644
--- a/docs/usermanual.md
+++ b/docs/usermanual.md
@@ -130,7 +130,15 @@ Examples of these `ngsiv2` payloads are the following ones:
         {
           "id": "MyEntityId1",
           "type": "MyEntityType1",
-          "attr1": { type: "Text", "value": "MyAttr1Value"},
+          "attr1": { "type": "Text", "value": "MyAttr1Value"},
+          "attr2": { "type": "Text", "value": "MyAttr1Value"
+                     "metadata": {
+                                "TimeInstant": {
+                                    "type": "DateTime",
+                                    "value": "2023-11-17T11:59:22.661Z"
+                                }
+                            }
+                    }
           ...
         },
         ...
diff --git a/test/unit/ngsiv2/HTTP_receive_ngsiv2_measures-test.js b/test/unit/ngsiv2/HTTP_receive_ngsiv2_measures-test.js
index 788dfd30b..bab21fbb4 100644
--- a/test/unit/ngsiv2/HTTP_receive_ngsiv2_measures-test.js
+++ b/test/unit/ngsiv2/HTTP_receive_ngsiv2_measures-test.js
@@ -88,7 +88,13 @@ describe('HTTP: NGSIv2 Measure reception ', function () {
                         },
                         status: {
                             type: 'Text',
-                            value: 'connected'
+                            value: 'connected',
+                            metadata: {
+                                TimeInstant: {
+                                    type: 'DateTime',
+                                    value: '2023-11-17T11:59:22.661Z'
+                                }
+                            }
                         },
                         dateServiceStarted: {
                             type: 'DateTime',
@@ -178,7 +184,13 @@ describe('HTTP: NGSIv2 Measure reception ', function () {
                         },
                         status: {
                             type: 'Text',
-                            value: 'connected'
+                            value: 'connected',
+                            metadata: {
+                                TimeInstant: {
+                                    type: 'DateTime',
+                                    value: '2023-11-17T11:59:22.661Z'
+                                }
+                            }
                         },
                         dateServiceStarted: {
                             type: 'DateTime',
@@ -223,7 +235,13 @@ describe('HTTP: NGSIv2 Measure reception ', function () {
                         },
                         status: {
                             type: 'Text',
-                            value: 'connected'
+                            value: 'connected',
+                            metadata: {
+                                TimeInstant: {
+                                    type: 'DateTime',
+                                    value: '2023-11-17T11:59:22.661Z'
+                                }
+                            }
                         },
                         dateServiceStarted: {
                             type: 'DateTime',
@@ -316,7 +334,13 @@ describe('HTTP: NGSIv2 Measure reception ', function () {
                 },
                 status: {
                     type: 'Text',
-                    value: 'connected'
+                    value: 'connected',
+                    metadata: {
+                        TimeInstant: {
+                            type: 'DateTime',
+                            value: '2023-11-17T11:59:22.661Z'
+                        }
+                    }
                 },
                 dateServiceStarted: {
                     type: 'DateTime',
@@ -400,7 +424,13 @@ describe('HTTP: NGSIv2 Measure reception ', function () {
                     },
                     status: {
                         type: 'Text',
-                        value: 'connected'
+                        value: 'connected',
+                        metadata: {
+                            TimeInstant: {
+                                type: 'DateTime',
+                                value: '2023-11-17T11:59:22.661Z'
+                            }
+                        }
                     },
                     dateServiceStarted: {
                         type: 'DateTime',
@@ -445,7 +475,13 @@ describe('HTTP: NGSIv2 Measure reception ', function () {
                     },
                     status: {
                         type: 'Text',
-                        value: 'connected'
+                        value: 'connected',
+                        metadata: {
+                            TimeInstant: {
+                                type: 'DateTime',
+                                value: '2023-11-17T11:59:22.661Z'
+                            }
+                        }
                     },
                     dateServiceStarted: {
                         type: 'DateTime',
diff --git a/test/unit/ngsiv2/MQTT_receive_ngsiv2_measures-test.js b/test/unit/ngsiv2/MQTT_receive_ngsiv2_measures-test.js
index edd8414f8..afd8a7c6f 100644
--- a/test/unit/ngsiv2/MQTT_receive_ngsiv2_measures-test.js
+++ b/test/unit/ngsiv2/MQTT_receive_ngsiv2_measures-test.js
@@ -92,7 +92,13 @@ describe('MQTT: NGSIv2 Measure reception ', function () {
                     },
                     status: {
                         type: 'Text',
-                        value: 'connected'
+                        value: 'connected',
+                        metadata: {
+                            TimeInstant: {
+                                type: 'DateTime',
+                                value: '2023-11-17T11:59:22.661Z'
+                            }
+                        }
                     },
                     dateServiceStarted: {
                         type: 'DateTime',
@@ -164,7 +170,13 @@ describe('MQTT: NGSIv2 Measure reception ', function () {
                     },
                     status: {
                         type: 'Text',
-                        value: 'connected'
+                        value: 'connected',
+                        metadata: {
+                            TimeInstant: {
+                                type: 'DateTime',
+                                value: '2023-11-17T11:59:22.661Z'
+                            }
+                        }
                     },
                     dateServiceStarted: {
                         type: 'DateTime',
@@ -209,7 +221,13 @@ describe('MQTT: NGSIv2 Measure reception ', function () {
                     },
                     status: {
                         type: 'Text',
-                        value: 'connected'
+                        value: 'connected',
+                        metadata: {
+                            TimeInstant: {
+                                type: 'DateTime',
+                                value: '2023-11-17T11:59:22.661Z'
+                            }
+                        }
                     },
                     dateServiceStarted: {
                         type: 'DateTime',
@@ -285,7 +303,13 @@ describe('MQTT: NGSIv2 Measure reception ', function () {
             },
             status: {
                 type: 'Text',
-                value: 'connected'
+                value: 'connected',
+                metadata: {
+                    TimeInstant: {
+                        type: 'DateTime',
+                        value: '2023-11-17T11:59:22.661Z'
+                    }
+                }
             },
             dateServiceStarted: {
                 type: 'DateTime',
@@ -352,7 +376,13 @@ describe('MQTT: NGSIv2 Measure reception ', function () {
                 },
                 status: {
                     type: 'Text',
-                    value: 'connected'
+                    value: 'connected',
+                    metadata: {
+                        TimeInstant: {
+                            type: 'DateTime',
+                            value: '2023-11-17T11:59:22.661Z'
+                        }
+                    }
                 },
                 dateServiceStarted: {
                     type: 'DateTime',
@@ -397,7 +427,13 @@ describe('MQTT: NGSIv2 Measure reception ', function () {
                 },
                 status: {
                     type: 'Text',
-                    value: 'connected'
+                    value: 'connected',
+                    metadata: {
+                        TimeInstant: {
+                            type: 'DateTime',
+                            value: '2023-11-17T11:59:22.661Z'
+                        }
+                    }
                 },
                 dateServiceStarted: {
                     type: 'DateTime',
diff --git a/test/unit/ngsiv2/contextRequests/ngsiv2PayloadMeasure.json b/test/unit/ngsiv2/contextRequests/ngsiv2PayloadMeasure.json
index e2e40697d..f86bd9076 100644
--- a/test/unit/ngsiv2/contextRequests/ngsiv2PayloadMeasure.json
+++ b/test/unit/ngsiv2/contextRequests/ngsiv2PayloadMeasure.json
@@ -11,7 +11,13 @@
     },
     "status": {
         "type": "Text",
-        "value": "connected"
+        "value": "connected",
+        "metadata": {
+            "TimeInstant": {
+                "type": "DateTime",
+                "value": "2023-11-17T11:59:22.661Z"
+            }
+        }
     },
     "dateServiceStarted": {
         "type": "DateTime",
diff --git a/test/unit/ngsiv2/contextRequests/ngsiv2PayloadMeasure2.json b/test/unit/ngsiv2/contextRequests/ngsiv2PayloadMeasure2.json
index f7b68438b..4609d052c 100644
--- a/test/unit/ngsiv2/contextRequests/ngsiv2PayloadMeasure2.json
+++ b/test/unit/ngsiv2/contextRequests/ngsiv2PayloadMeasure2.json
@@ -11,7 +11,13 @@
     },
     "status": {
         "type": "Text",
-        "value": "connected"
+        "value": "connected",
+        "metadata": {
+            "TimeInstant": {
+                "type": "DateTime",
+                "value": "2023-11-17T11:59:22.661Z"
+            }
+        }
     },
     "dateServiceStarted": {
         "type": "DateTime",