diff --git a/src/cmap/command_monitoring_events.ts b/src/cmap/command_monitoring_events.ts
index 992b9dc47c9..b5e7c776d57 100644
--- a/src/cmap/command_monitoring_events.ts
+++ b/src/cmap/command_monitoring_events.ts
@@ -96,6 +96,7 @@ export class CommandSucceededEvent {
   commandName: string;
   reply: unknown;
   serviceId?: ObjectId;
+  databaseName: string;
   /** @internal */
   name = COMMAND_SUCCEEDED;
 
@@ -127,6 +128,7 @@ export class CommandSucceededEvent {
     this.duration = calculateDurationInMs(started);
     this.reply = maybeRedact(commandName, cmd, extractReply(reply));
     this.serverConnectionId = serverConnectionId;
+    this.databaseName = command.databaseName;
   }
 
   /* @internal */
@@ -154,6 +156,7 @@ export class CommandFailedEvent {
   commandName: string;
   failure: Error;
   serviceId?: ObjectId;
+  databaseName: string;
   /** @internal */
   name = COMMAND_FAILED;
 
@@ -186,6 +189,7 @@ export class CommandFailedEvent {
     this.duration = calculateDurationInMs(started);
     this.failure = maybeRedact(commandName, cmd, error) as Error;
     this.serverConnectionId = serverConnectionId;
+    this.databaseName = command.databaseName;
   }
 
   /* @internal */
diff --git a/test/spec/unified-test-format/invalid/expectedCommandEvent-commandFailedEvent-databaseName-type.json b/test/spec/unified-test-format/invalid/expectedCommandEvent-commandFailedEvent-databaseName-type.json
new file mode 100644
index 00000000000..f6a305b89a7
--- /dev/null
+++ b/test/spec/unified-test-format/invalid/expectedCommandEvent-commandFailedEvent-databaseName-type.json
@@ -0,0 +1,29 @@
+{
+  "description": "expectedCommandEvent-commandFailedEvent-databaseName-type",
+  "schemaVersion": "1.15",
+  "createEntities": [
+    {
+      "client": {
+        "id": "client0"
+      }
+    }
+  ],
+  "tests": [
+    {
+      "description": "foo",
+      "operations": [],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandFailedEvent": {
+                "databaseName": 0
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
diff --git a/test/spec/unified-test-format/invalid/expectedCommandEvent-commandFailedEvent-databaseName-type.yml b/test/spec/unified-test-format/invalid/expectedCommandEvent-commandFailedEvent-databaseName-type.yml
new file mode 100644
index 00000000000..9ab33ad59e2
--- /dev/null
+++ b/test/spec/unified-test-format/invalid/expectedCommandEvent-commandFailedEvent-databaseName-type.yml
@@ -0,0 +1,16 @@
+description: "expectedCommandEvent-commandFailedEvent-databaseName-type"
+
+schemaVersion: "1.15"
+
+createEntities:
+  - client:
+      id: &client0 "client0"
+
+tests:
+  - description: "foo"
+    operations: []
+    expectEvents:
+      - client: *client0
+        events:
+          - commandFailedEvent:
+              databaseName: 0
diff --git a/test/spec/unified-test-format/invalid/expectedCommandEvent-commandSucceededEvent-databaseName-type.json b/test/spec/unified-test-format/invalid/expectedCommandEvent-commandSucceededEvent-databaseName-type.json
new file mode 100644
index 00000000000..47b8c8bb9d0
--- /dev/null
+++ b/test/spec/unified-test-format/invalid/expectedCommandEvent-commandSucceededEvent-databaseName-type.json
@@ -0,0 +1,29 @@
+{
+  "description": "expectedCommandEvent-commandSucceededEvent-databaseName-type",
+  "schemaVersion": "1.15",
+  "createEntities": [
+    {
+      "client": {
+        "id": "client0"
+      }
+    }
+  ],
+  "tests": [
+    {
+      "description": "foo",
+      "operations": [],
+      "expectEvents": [
+        {
+          "client": "client0",
+          "events": [
+            {
+              "commandSucceededEvent": {
+                "databaseName": 0
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
diff --git a/test/spec/unified-test-format/invalid/expectedCommandEvent-commandSucceededEvent-databaseName-type.yml b/test/spec/unified-test-format/invalid/expectedCommandEvent-commandSucceededEvent-databaseName-type.yml
new file mode 100644
index 00000000000..94adc2b7305
--- /dev/null
+++ b/test/spec/unified-test-format/invalid/expectedCommandEvent-commandSucceededEvent-databaseName-type.yml
@@ -0,0 +1,16 @@
+description: "expectedCommandEvent-commandSucceededEvent-databaseName-type"
+
+schemaVersion: "1.15"
+
+createEntities:
+  - client:
+      id: &client0 "client0"
+
+tests:
+  - description: "foo"
+    operations: []
+    expectEvents:
+      - client: *client0
+        events:
+          - commandSucceededEvent:
+              databaseName: 0
diff --git a/test/tools/unified-spec-runner/match.ts b/test/tools/unified-spec-runner/match.ts
index 1b8d0d7836e..06a23388c01 100644
--- a/test/tools/unified-spec-runner/match.ts
+++ b/test/tools/unified-spec-runner/match.ts
@@ -478,37 +478,53 @@ function compareCommandStartedEvents(
 
 function compareCommandSucceededEvents(
   actual: CommandSucceededEvent,
-  expected: ExpectedCommandEvent['commandSucceededEvent'],
+  expected: NonNullable<ExpectedCommandEvent['commandSucceededEvent']>,
   entities: EntitiesMap,
   prefix: string
 ) {
-  if (expected!.reply) {
-    resultCheck(actual.reply as Document, expected!.reply, entities, [prefix]);
+  if (expected.reply) {
+    resultCheck(actual.reply as Document, expected.reply, entities, [prefix]);
   }
-  if (expected!.commandName) {
+  if (expected.commandName) {
     expect(
-      expected!.commandName,
-      `expected ${prefix}.commandName to equal ${expected!.commandName} but received ${
+      expected.commandName,
+      `expected ${prefix}.commandName to equal ${expected.commandName} but received ${
         actual.commandName
       }`
     ).to.equal(actual.commandName);
   }
+  if (expected.databaseName) {
+    expect(
+      expected.databaseName,
+      `expected ${prefix}.databaseName to equal ${expected.databaseName} but received ${
+        actual.databaseName
+      }`
+    ).to.equal(actual.databaseName);
+  }
 }
 
 function compareCommandFailedEvents(
   actual: CommandFailedEvent,
-  expected: ExpectedCommandEvent['commandFailedEvent'],
-  entities: EntitiesMap,
+  expected: NonNullable<ExpectedCommandEvent['commandFailedEvent']>,
+  _entities: EntitiesMap,
   prefix: string
 ) {
-  if (expected!.commandName) {
+  if (expected.commandName) {
     expect(
-      expected!.commandName,
-      `expected ${prefix}.commandName to equal ${expected!.commandName} but received ${
+      expected.commandName,
+      `expected ${prefix}.commandName to equal ${expected.commandName} but received ${
         actual.commandName
       }`
     ).to.equal(actual.commandName);
   }
+  if (expected.databaseName) {
+    expect(
+      expected.databaseName,
+      `expected ${prefix}.databaseName to equal ${expected.databaseName} but received ${
+        actual.databaseName
+      }`
+    ).to.equal(actual.databaseName);
+  }
 }
 
 function expectInstanceOf<T extends new (...args: any[]) => any>(
diff --git a/test/tools/unified-spec-runner/schema.ts b/test/tools/unified-spec-runner/schema.ts
index d52192e645c..cd2bd3ff3d5 100644
--- a/test/tools/unified-spec-runner/schema.ts
+++ b/test/tools/unified-spec-runner/schema.ts
@@ -312,10 +312,12 @@ export interface ExpectedCommandEvent {
   commandSucceededEvent?: {
     reply?: Document;
     commandName?: string;
+    databaseName?: string;
     hasServerConnectionId?: boolean;
   };
   commandFailedEvent?: {
     commandName?: string;
+    databaseName?: string;
     hasServerConnectionId?: boolean;
   };
 }