diff --git a/package-lock.json b/package-lock.json
index ed399f8ca..2074400b6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3838,12 +3838,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -3858,17 +3860,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -3985,7 +3990,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3997,6 +4003,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -4011,6 +4018,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -4018,12 +4026,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -4042,6 +4052,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4122,7 +4133,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4134,6 +4146,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -4255,6 +4268,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
diff --git a/src/batch-client/index.ts b/src/batch-client/index.ts
index 21e584abe..da9b0a561 100644
--- a/src/batch-client/index.ts
+++ b/src/batch-client/index.ts
@@ -241,7 +241,7 @@ export class ZimbraBatchClient {
 				...denormalize(CalendarItemCreateModifyRequest)(appointment)
 			},
 			accountName: accountName
-		});
+		}).then(res => normalize(CalendarItemHitInfo)(res));
 
 	public createAppointmentException = (
 		accountName: string,
diff --git a/src/schema/generated-schema-types.ts b/src/schema/generated-schema-types.ts
index 55830bfc5..098c5ac13 100644
--- a/src/schema/generated-schema-types.ts
+++ b/src/schema/generated-schema-types.ts
@@ -991,7 +991,7 @@ export interface Mutation {
 	checkCalendar?: boolean | null;
 	contactAction?: ActionOpResponse | null;
 	conversationAction?: boolean | null;
-	createAppointment?: boolean | null;
+	createAppointment?: CalendarItemHitInfo | null;
 	createAppointmentException?: boolean | null;
 	createCalendar?: boolean | null;
 	createContact?: Contact | null;
diff --git a/src/schema/schema.graphql b/src/schema/schema.graphql
index 122eb4bf8..47849d91c 100644
--- a/src/schema/schema.graphql
+++ b/src/schema/schema.graphql
@@ -2159,7 +2159,7 @@ type Mutation {
 		ids: [ID!]!
 		op: String!
 	): Boolean
-	createAppointment(accountName: String, appointment: CalendarItemInput!): Boolean
+	createAppointment(accountName: String, appointment: CalendarItemInput!): CalendarItemHitInfo
 	createAppointmentException(accountName: String, appointment: CalendarItemInput!): Boolean
 	createCalendar(name: String!, color: Int!, url: String): Boolean
 	createContact(contact: CreateContactInput!): Contact