diff --git a/package.json b/package.json
index c6ac5b9..89a1fc9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bim-fragment",
-  "version": "1.0.8",
+  "version": "1.0.9",
   "description": "3D BIM Geometry API",
   "main": "index.js",
   "scripts": {
diff --git a/resources/openbim-components.js b/resources/openbim-components.js
index 93166fd..b7d783c 100644
--- a/resources/openbim-components.js
+++ b/resources/openbim-components.js
@@ -11603,8 +11603,24 @@ let FragmentsGroup$1 = class FragmentsGroup {
         const offset = this.bb.__offset(this.bb_pos, 20);
         return offset ? this.bb.__string(this.bb_pos + offset, optionalEncoding) : null;
     }
+    ifcName(optionalEncoding) {
+        const offset = this.bb.__offset(this.bb_pos, 22);
+        return offset ? this.bb.__string(this.bb_pos + offset, optionalEncoding) : null;
+    }
+    ifcDescription(optionalEncoding) {
+        const offset = this.bb.__offset(this.bb_pos, 24);
+        return offset ? this.bb.__string(this.bb_pos + offset, optionalEncoding) : null;
+    }
+    ifcSchema(optionalEncoding) {
+        const offset = this.bb.__offset(this.bb_pos, 26);
+        return offset ? this.bb.__string(this.bb_pos + offset, optionalEncoding) : null;
+    }
+    maxExpressId() {
+        const offset = this.bb.__offset(this.bb_pos, 28);
+        return offset ? this.bb.readUint32(this.bb_pos + offset) : 0;
+    }
     static startFragmentsGroup(builder) {
-        builder.startObject(9);
+        builder.startObject(13);
     }
     static addItems(builder, itemsOffset) {
         builder.addFieldOffset(0, itemsOffset, 0);
@@ -11703,6 +11719,18 @@ let FragmentsGroup$1 = class FragmentsGroup {
     static addId(builder, idOffset) {
         builder.addFieldOffset(8, idOffset, 0);
     }
+    static addIfcName(builder, ifcNameOffset) {
+        builder.addFieldOffset(9, ifcNameOffset, 0);
+    }
+    static addIfcDescription(builder, ifcDescriptionOffset) {
+        builder.addFieldOffset(10, ifcDescriptionOffset, 0);
+    }
+    static addIfcSchema(builder, ifcSchemaOffset) {
+        builder.addFieldOffset(11, ifcSchemaOffset, 0);
+    }
+    static addMaxExpressId(builder, maxExpressId) {
+        builder.addFieldInt32(12, maxExpressId, 0);
+    }
     static endFragmentsGroup(builder) {
         const offset = builder.endObject();
         return offset;
@@ -11713,7 +11741,7 @@ let FragmentsGroup$1 = class FragmentsGroup {
     static finishSizePrefixedFragmentsGroupBuffer(builder, offset) {
         builder.finish(offset, undefined, true);
     }
-    static createFragmentsGroup(builder, itemsOffset, matrixOffset, idsOffset, itemsKeysOffset, itemsKeysIndicesOffset, itemsRelsOffset, itemsRelsIndicesOffset, fragmentKeysOffset, idOffset) {
+    static createFragmentsGroup(builder, itemsOffset, matrixOffset, idsOffset, itemsKeysOffset, itemsKeysIndicesOffset, itemsRelsOffset, itemsRelsIndicesOffset, fragmentKeysOffset, idOffset, ifcNameOffset, ifcDescriptionOffset, ifcSchemaOffset, maxExpressId) {
         FragmentsGroup.startFragmentsGroup(builder);
         FragmentsGroup.addItems(builder, itemsOffset);
         FragmentsGroup.addMatrix(builder, matrixOffset);
@@ -11724,10 +11752,15 @@ let FragmentsGroup$1 = class FragmentsGroup {
         FragmentsGroup.addItemsRelsIndices(builder, itemsRelsIndicesOffset);
         FragmentsGroup.addFragmentKeys(builder, fragmentKeysOffset);
         FragmentsGroup.addId(builder, idOffset);
+        FragmentsGroup.addIfcName(builder, ifcNameOffset);
+        FragmentsGroup.addIfcDescription(builder, ifcDescriptionOffset);
+        FragmentsGroup.addIfcSchema(builder, ifcSchemaOffset);
+        FragmentsGroup.addMaxExpressId(builder, maxExpressId);
         return FragmentsGroup.endFragmentsGroup(builder);
     }
 };
 
+// TODO: Document this
 class FragmentsGroup extends THREE.Group {
     constructor() {
         super(...arguments);
@@ -11736,6 +11769,12 @@ class FragmentsGroup extends THREE.Group {
         this.keyFragments = {};
         // data: [expressID: number]: [keys, rels]
         this.data = {};
+        this.ifcMetadata = {
+            name: "",
+            description: "",
+            schema: "",
+            maxExpressId: 0,
+        };
     }
     dispose(disposeResources = true) {
         for (const fragment of this.items) {
@@ -11840,6 +11879,9 @@ class Serializer {
             relsCounter += rels.length;
         }
         const groupID = builder.createString(group.uuid);
+        const ifcName = builder.createString(group.ifcMetadata.name);
+        const ifcDescription = builder.createString(group.ifcMetadata.description);
+        const ifcSchema = builder.createString(group.ifcMetadata.schema);
         const keysIVector = G.createItemsKeysIndicesVector(builder, keyIndices);
         const keysVector = G.createItemsKeysVector(builder, itemsKeys);
         const relsIVector = G.createItemsRelsIndicesVector(builder, relsIndices);
@@ -11847,6 +11889,10 @@ class Serializer {
         const idsVector = G.createIdsVector(builder, ids);
         G.startFragmentsGroup(builder);
         G.addId(builder, groupID);
+        G.addIfcName(builder, ifcName);
+        G.addIfcDescription(builder, ifcDescription);
+        G.addIfcSchema(builder, ifcSchema);
+        G.addMaxExpressId(builder, group.ifcMetadata.maxExpressId);
         G.addItems(builder, itemsVector);
         G.addFragmentKeys(builder, fragmentKeysRef);
         G.addIds(builder, idsVector);
@@ -11933,6 +11979,12 @@ class Serializer {
     constructFragmentGroup(group) {
         const fragmentsGroup = new FragmentsGroup();
         fragmentsGroup.uuid = group.id() || fragmentsGroup.uuid;
+        fragmentsGroup.ifcMetadata = {
+            name: group.ifcName() || "",
+            description: group.ifcDescription() || "",
+            schema: group.ifcSchema() || "",
+            maxExpressId: group.maxExpressId() || 0,
+        };
         const matrixArray = group.matrixArray() || new Float32Array();
         const ids = group.idsArray() || new Uint32Array();
         const keysIndices = group.itemsKeysIndicesArray() || new Uint32Array();
diff --git a/src/flatbuffers/fragment.fbs b/src/flatbuffers/fragment.fbs
index c94bb89..e8045c8 100644
--- a/src/flatbuffers/fragment.fbs
+++ b/src/flatbuffers/fragment.fbs
@@ -10,6 +10,10 @@ table FragmentsGroup {
     items_rels_indices: [uint];
     fragment_keys: string;
     id: string;
+    ifc_name: string;
+    ifc_description: string;
+    ifc_schema: string;
+    max_express_id: uint;
 }
 
 table Fragment {
diff --git a/src/flatbuffers/fragments/index/fragments-group.ts b/src/flatbuffers/fragments/index/fragments-group.ts
index 63f33ca..3396ff7 100644
--- a/src/flatbuffers/fragments/index/fragments-group.ts
+++ b/src/flatbuffers/fragments/index/fragments-group.ts
@@ -137,8 +137,34 @@ id(optionalEncoding?:any):string|Uint8Array|null {
   return offset ? this.bb!.__string(this.bb_pos + offset, optionalEncoding) : null;
 }
 
+ifcName():string|null
+ifcName(optionalEncoding:flatbuffers.Encoding):string|Uint8Array|null
+ifcName(optionalEncoding?:any):string|Uint8Array|null {
+  const offset = this.bb!.__offset(this.bb_pos, 22);
+  return offset ? this.bb!.__string(this.bb_pos + offset, optionalEncoding) : null;
+}
+
+ifcDescription():string|null
+ifcDescription(optionalEncoding:flatbuffers.Encoding):string|Uint8Array|null
+ifcDescription(optionalEncoding?:any):string|Uint8Array|null {
+  const offset = this.bb!.__offset(this.bb_pos, 24);
+  return offset ? this.bb!.__string(this.bb_pos + offset, optionalEncoding) : null;
+}
+
+ifcSchema():string|null
+ifcSchema(optionalEncoding:flatbuffers.Encoding):string|Uint8Array|null
+ifcSchema(optionalEncoding?:any):string|Uint8Array|null {
+  const offset = this.bb!.__offset(this.bb_pos, 26);
+  return offset ? this.bb!.__string(this.bb_pos + offset, optionalEncoding) : null;
+}
+
+maxExpressId():number {
+  const offset = this.bb!.__offset(this.bb_pos, 28);
+  return offset ? this.bb!.readUint32(this.bb_pos + offset) : 0;
+}
+
 static startFragmentsGroup(builder:flatbuffers.Builder) {
-  builder.startObject(9);
+  builder.startObject(13);
 }
 
 static addItems(builder:flatbuffers.Builder, itemsOffset:flatbuffers.Offset) {
@@ -291,6 +317,22 @@ static addId(builder:flatbuffers.Builder, idOffset:flatbuffers.Offset) {
   builder.addFieldOffset(8, idOffset, 0);
 }
 
+static addIfcName(builder:flatbuffers.Builder, ifcNameOffset:flatbuffers.Offset) {
+  builder.addFieldOffset(9, ifcNameOffset, 0);
+}
+
+static addIfcDescription(builder:flatbuffers.Builder, ifcDescriptionOffset:flatbuffers.Offset) {
+  builder.addFieldOffset(10, ifcDescriptionOffset, 0);
+}
+
+static addIfcSchema(builder:flatbuffers.Builder, ifcSchemaOffset:flatbuffers.Offset) {
+  builder.addFieldOffset(11, ifcSchemaOffset, 0);
+}
+
+static addMaxExpressId(builder:flatbuffers.Builder, maxExpressId:number) {
+  builder.addFieldInt32(12, maxExpressId, 0);
+}
+
 static endFragmentsGroup(builder:flatbuffers.Builder):flatbuffers.Offset {
   const offset = builder.endObject();
   return offset;
@@ -304,7 +346,7 @@ static finishSizePrefixedFragmentsGroupBuffer(builder:flatbuffers.Builder, offse
   builder.finish(offset, undefined, true);
 }
 
-static createFragmentsGroup(builder:flatbuffers.Builder, itemsOffset:flatbuffers.Offset, matrixOffset:flatbuffers.Offset, idsOffset:flatbuffers.Offset, itemsKeysOffset:flatbuffers.Offset, itemsKeysIndicesOffset:flatbuffers.Offset, itemsRelsOffset:flatbuffers.Offset, itemsRelsIndicesOffset:flatbuffers.Offset, fragmentKeysOffset:flatbuffers.Offset, idOffset:flatbuffers.Offset):flatbuffers.Offset {
+static createFragmentsGroup(builder:flatbuffers.Builder, itemsOffset:flatbuffers.Offset, matrixOffset:flatbuffers.Offset, idsOffset:flatbuffers.Offset, itemsKeysOffset:flatbuffers.Offset, itemsKeysIndicesOffset:flatbuffers.Offset, itemsRelsOffset:flatbuffers.Offset, itemsRelsIndicesOffset:flatbuffers.Offset, fragmentKeysOffset:flatbuffers.Offset, idOffset:flatbuffers.Offset, ifcNameOffset:flatbuffers.Offset, ifcDescriptionOffset:flatbuffers.Offset, ifcSchemaOffset:flatbuffers.Offset, maxExpressId:number):flatbuffers.Offset {
   FragmentsGroup.startFragmentsGroup(builder);
   FragmentsGroup.addItems(builder, itemsOffset);
   FragmentsGroup.addMatrix(builder, matrixOffset);
@@ -315,6 +357,10 @@ static createFragmentsGroup(builder:flatbuffers.Builder, itemsOffset:flatbuffers
   FragmentsGroup.addItemsRelsIndices(builder, itemsRelsIndicesOffset);
   FragmentsGroup.addFragmentKeys(builder, fragmentKeysOffset);
   FragmentsGroup.addId(builder, idOffset);
+  FragmentsGroup.addIfcName(builder, ifcNameOffset);
+  FragmentsGroup.addIfcDescription(builder, ifcDescriptionOffset);
+  FragmentsGroup.addIfcSchema(builder, ifcSchemaOffset);
+  FragmentsGroup.addMaxExpressId(builder, maxExpressId);
   return FragmentsGroup.endFragmentsGroup(builder);
 }
 }
diff --git a/src/fragments-group.ts b/src/fragments-group.ts
index 110cb7e..9d21039 100644
--- a/src/fragments-group.ts
+++ b/src/fragments-group.ts
@@ -1,6 +1,7 @@
 import * as THREE from "three";
 import { Fragment } from "./fragment";
 
+// TODO: Document this
 export class FragmentsGroup extends THREE.Group {
   items: Fragment[] = [];
   matrix = new THREE.Matrix4();
@@ -8,6 +9,12 @@ export class FragmentsGroup extends THREE.Group {
   // data: [expressID: number]: [keys, rels]
   data: { [expressID: number]: [number[], number[]] } = {};
   properties: any;
+  ifcMetadata = {
+    name: "",
+    description: "",
+    schema: "",
+    maxExpressId: 0,
+  };
 
   dispose(disposeResources = true) {
     for (const fragment of this.items) {
diff --git a/src/serializer.ts b/src/serializer.ts
index 6ad1fd7..cabdd4b 100644
--- a/src/serializer.ts
+++ b/src/serializer.ts
@@ -114,6 +114,10 @@ export class Serializer {
 
     const groupID = builder.createString(group.uuid);
 
+    const ifcName = builder.createString(group.ifcMetadata.name);
+    const ifcDescription = builder.createString(group.ifcMetadata.description);
+    const ifcSchema = builder.createString(group.ifcMetadata.schema);
+
     const keysIVector = G.createItemsKeysIndicesVector(builder, keyIndices);
     const keysVector = G.createItemsKeysVector(builder, itemsKeys);
     const relsIVector = G.createItemsRelsIndicesVector(builder, relsIndices);
@@ -122,6 +126,10 @@ export class Serializer {
 
     G.startFragmentsGroup(builder);
     G.addId(builder, groupID);
+    G.addIfcName(builder, ifcName);
+    G.addIfcDescription(builder, ifcDescription);
+    G.addIfcSchema(builder, ifcSchema);
+    G.addMaxExpressId(builder, group.ifcMetadata.maxExpressId);
     G.addItems(builder, itemsVector);
     G.addFragmentKeys(builder, fragmentKeysRef);
     G.addIds(builder, idsVector);
@@ -231,6 +239,14 @@ export class Serializer {
     const fragmentsGroup = new FragmentsGroup();
 
     fragmentsGroup.uuid = group.id() || fragmentsGroup.uuid;
+
+    fragmentsGroup.ifcMetadata = {
+      name: group.ifcName() || "",
+      description: group.ifcDescription() || "",
+      schema: group.ifcSchema() || "",
+      maxExpressId: group.maxExpressId() || 0,
+    };
+
     const matrixArray = group.matrixArray() || new Float32Array();
     const ids = group.idsArray() || new Uint32Array();
     const keysIndices = group.itemsKeysIndicesArray() || new Uint32Array();