diff --git a/package-lock.json b/package-lock.json
index 054b26c..daef400 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,7 +6,7 @@
   "packages": {
     "": {
       "name": "@map-colonies/mc-model-types",
-      "version": "6.1.0",
+      "version": "7.3.3",
       "license": "MIT",
       "dependencies": {
         "@types/geojson": "^7946.0.7",
diff --git a/package.json b/package.json
index 128f0d9..de04cfc 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "scripts": {
     "clean": "rimraf *.tgz Schema",
     "release": "standard-version -t mc-model-types@",
-    "build": "tsc  --project tsconfig.build.json",
+    "build": "tsc --project tsconfig.build.json",
     "copy:yaml": "copyfiles -u 1 \"./src/yaml/**/*.yaml\" ./Schema",
     "copy": "npm run copy:yaml",
     "prepack": "npm run build && npm run copy",
diff --git a/src/models/common/decorators/fieldConfig/fieldConfig.decorator.ts b/src/models/common/decorators/fieldConfig/fieldConfig.decorator.ts
index d27ea39..5b3b1d0 100644
--- a/src/models/common/decorators/fieldConfig/fieldConfig.decorator.ts
+++ b/src/models/common/decorators/fieldConfig/fieldConfig.decorator.ts
@@ -17,6 +17,8 @@ export interface IFieldConfigInfo {
   isManuallyEditable?: boolean; // is field might be edited after creation
   isFilterable?: boolean; // is field might participate in filter/search params
   isSortable?: boolean; // is field might participate in sorting
+  isRequired?: boolean; // is field mandatory
+  isAutoGenerated?: boolean; // is field auto-generated
 }
 
 export interface IPropFieldConfigInfo extends IFieldConfigInfo {
diff --git a/src/models/layerMetadata/layer3DMetadata.ts b/src/models/layerMetadata/layer3DMetadata.ts
index b818b2d..49e162e 100644
--- a/src/models/layerMetadata/layer3DMetadata.ts
+++ b/src/models/layerMetadata/layer3DMetadata.ts
@@ -87,6 +87,7 @@ export class Layer3DMetadata implements ILayer3DMetadata, IMetadataCommonModel {
   @fieldConfig({
     category: FieldCategory.GENERAL,
     isManuallyEditable: true,
+    isRequired: true,
   })
   //#endregion
   public classification: string | undefined = undefined;
@@ -112,6 +113,7 @@ export class Layer3DMetadata implements ILayer3DMetadata, IMetadataCommonModel {
   @fieldConfig({
     category: FieldCategory.MAIN,
     isManuallyEditable: true,
+    isRequired: true,
   })
   //#endregion
   public productName: string | undefined = undefined;
@@ -165,6 +167,7 @@ export class Layer3DMetadata implements ILayer3DMetadata, IMetadataCommonModel {
   })
   @fieldConfig({
     category: FieldCategory.GEO_INFO,
+    isRequired: true,
   })
   //#endregion
   public srsId: string | undefined = undefined;
@@ -192,6 +195,7 @@ export class Layer3DMetadata implements ILayer3DMetadata, IMetadataCommonModel {
   })
   @fieldConfig({
     category: FieldCategory.GENERAL,
+    isRequired: true,
   })
   //#endregion
   public producerName: string | undefined = undefined;
@@ -292,6 +296,7 @@ export class Layer3DMetadata implements ILayer3DMetadata, IMetadataCommonModel {
   })
   @fieldConfig({
     category: FieldCategory.GENERAL,
+    isRequired: true,
   })
   //#endregion
   public sourceDateStart: Date | undefined = undefined;
@@ -317,6 +322,7 @@ export class Layer3DMetadata implements ILayer3DMetadata, IMetadataCommonModel {
   })
   @fieldConfig({
     category: FieldCategory.GENERAL,
+    isRequired: true,
   })
   //#endregion
   public sourceDateEnd: Date | undefined = undefined;
@@ -342,6 +348,7 @@ export class Layer3DMetadata implements ILayer3DMetadata, IMetadataCommonModel {
   })
   @fieldConfig({
     category: FieldCategory.GEO_INFO,
+    isRequired: true,
   })
   //#endregion
   public accuracyCE90: number | undefined = undefined;
@@ -371,6 +378,7 @@ export class Layer3DMetadata implements ILayer3DMetadata, IMetadataCommonModel {
   @fieldConfig({
     category: FieldCategory.GENERAL,
     isManuallyEditable: true,
+    isRequired: true,
   })
   //#endregion
   public sensorType: SensorType[] | undefined = undefined;
@@ -397,6 +405,7 @@ export class Layer3DMetadata implements ILayer3DMetadata, IMetadataCommonModel {
   })
   @fieldConfig({
     category: FieldCategory.GENERAL,
+    isRequired: true,
   })
   //#endregion
   public region: string | undefined = undefined;
@@ -477,6 +486,7 @@ export class Layer3DMetadata implements ILayer3DMetadata, IMetadataCommonModel {
   })
   @fieldConfig({
     category: FieldCategory.MAIN,
+    isRequired: true,
   })
   //#endregion
   public version: string | undefined = undefined;
@@ -653,9 +663,11 @@ export class Layer3DMetadata implements ILayer3DMetadata, IMetadataCommonModel {
   })
   @fieldConfig({
     category: FieldCategory.GEO_INFO,
+    isRequired: true,
   })
   //#endregion
   public accuracyLE90: number | undefined = undefined;
+  //#endregion
 
   // //#region 3D: accuracySE90
   // @pycsw({
diff --git a/src/models/layerMetadata/layerMetadata.ts b/src/models/layerMetadata/layerMetadata.ts
index 9aeffcd..9ff6c16 100644
--- a/src/models/layerMetadata/layerMetadata.ts
+++ b/src/models/layerMetadata/layerMetadata.ts
@@ -112,6 +112,7 @@ export class LayerMetadata implements ILayerMetadata, IMetadataCommonModel {
   @fieldConfig({
     category: FieldCategory.MAIN,
     isManuallyEditable: true,
+    isRequired: true,
   })
   //#endregion
   public productName: string | undefined = undefined;
diff --git a/src/models/layerMetadata/pycsw3DCatalogRecord.ts b/src/models/layerMetadata/pycsw3DCatalogRecord.ts
index 3884942..92e6bd6 100644
--- a/src/models/layerMetadata/pycsw3DCatalogRecord.ts
+++ b/src/models/layerMetadata/pycsw3DCatalogRecord.ts
@@ -4,12 +4,12 @@ import { IOrmCatalog } from '../common/interfaces/ormCatalog.interface';
 import { graphql } from '../common/decorators/graphQL/graphql.decorator';
 import { graphqlClass } from '../common/decorators/graphQL/classGraphql.decorator';
 import { FieldCategory, fieldConfig, getFieldConfig, IPropFieldConfigInfo } from '../common/decorators/fieldConfig/fieldConfig.decorator';
-import { Link } from './link';
 import { catalogDB, getCatalogDBMapping } from './decorators/property/catalogDB.decorator';
 import { getTsTypesMapping, TsTypes, tsTypes } from './decorators/property/tsTypes.decorator';
 import { getCatalogDBEntityMapping, catalogDBEntity, ICatalogDBEntityMapping } from './decorators/class/catalogDBEntity.decorator';
 import { getPyCSWMapping, pycsw } from './decorators/property/csw.decorator';
 import { Layer3DMetadata, IPropPYCSWMapping } from './layer3DMetadata';
+import { Link } from './link';
 
 @catalogDBEntity({
   table: 'records',
@@ -37,6 +37,7 @@ export class Pycsw3DCatalogRecord extends Layer3DMetadata implements IPycswCoreM
   @graphql()
   @fieldConfig({
     category: FieldCategory.MAIN,
+    isAutoGenerated: true,
   })
   //#endregion
   public id: string | undefined = 'UNKNOWN';
@@ -227,6 +228,11 @@ export class Pycsw3DCatalogRecord extends Layer3DMetadata implements IPycswCoreM
   @graphql({
     nullable: true,
   })
+  @fieldConfig({
+    category: FieldCategory.GENERAL,
+    complexType: TsTypes.LINKS,
+    isAutoGenerated: true,
+  })
   //#endregion
   public links: Link[] | undefined = undefined;
 
diff --git a/src/models/layerMetadata/pycswLayerCatalogRecord.ts b/src/models/layerMetadata/pycswLayerCatalogRecord.ts
index 8db42af..cf36700 100644
--- a/src/models/layerMetadata/pycswLayerCatalogRecord.ts
+++ b/src/models/layerMetadata/pycswLayerCatalogRecord.ts
@@ -39,6 +39,7 @@ export class PycswLayerCatalogRecord extends LayerMetadata implements IPycswCore
   @graphql()
   @fieldConfig({
     category: FieldCategory.MAIN,
+    isAutoGenerated: true,
   })
   //#endregion
   public id: string | undefined = undefined;
@@ -220,6 +221,7 @@ export class PycswLayerCatalogRecord extends LayerMetadata implements IPycswCore
   @fieldConfig({
     category: FieldCategory.GENERAL,
     complexType: TsTypes.LINKS,
+    isAutoGenerated: true,
   })
   //#endregion
   public links: Link[] | undefined = undefined;