diff --git a/src/tests/modifiers/common.test.ts b/src/tests/modifiers/common.test.ts
index 920b5a9..0ffa8ab 100644
--- a/src/tests/modifiers/common.test.ts
+++ b/src/tests/modifiers/common.test.ts
@@ -8,7 +8,7 @@ import {
   TwoWayModifier,
   toDatabase,
 } from "@antelopejs/interface-database-decorators/modifiers/common";
-import { Table } from "@antelopejs/interface-database-decorators/table";
+import { Field, Table } from "@antelopejs/interface-database-decorators/table";
 import { expect } from "chai";
 
 describe("Modifiers - common", () => {
@@ -108,6 +108,7 @@ async function AttachWithOptionsTest() {
     }
   }
   class TestTable extends Table {
+    @Field("string")
     declare name: string;
   }
 
@@ -135,6 +136,7 @@ async function ChainedModifiersTest() {
   }
 
   class TestTable extends Table {
+    @Field("string")
     name!: string;
   }
 
@@ -158,6 +160,7 @@ async function DuplicateOneWayErrorTest() {
   }
 
   class TestTable extends Table {
+    @Field("string")
     name!: string;
   }
 
@@ -169,7 +172,9 @@ async function DuplicateOneWayErrorTest() {
 
 async function ConvertDatabaseDataToTableTest() {
   class TestTable extends Table {
+    @Field("string")
     name!: string;
+    @Field("number")
     age!: number;
   }
 
@@ -183,7 +188,9 @@ async function ConvertDatabaseDataToTableTest() {
 
 async function ConvertTableToDatabaseDataTest() {
   class TestTable extends Table {
+    @Field("string")
     name!: string;
+    @Field("number")
     age!: number;
   }
 
@@ -204,7 +211,9 @@ async function GetModifiedFieldsTest() {
   }
 
   class TestTable extends Table {
+    @Field("string")
     name!: string;
+    @Field("number")
     age!: number;
   }
 
diff --git a/src/tests/modifiers/encryption.test.ts b/src/tests/modifiers/encryption.test.ts
index ecf76f8..4a6cb73 100644
--- a/src/tests/modifiers/encryption.test.ts
+++ b/src/tests/modifiers/encryption.test.ts
@@ -2,7 +2,7 @@ import {
   Encrypted,
   EncryptionModifier,
 } from "@antelopejs/interface-database-decorators/modifiers/encryption";
-import { Table } from "@antelopejs/interface-database-decorators/table";
+import { Field, Table } from "@antelopejs/interface-database-decorators/table";
 import { expect } from "chai";
 
 describe("Modifiers - encryption", () => {
@@ -25,6 +25,7 @@ async function CreateEncryptionModifierTest() {
   const Mixed = Table.with(EncryptionModifier);
   class Sample extends Mixed {
     @Encrypted({ secretKey: "12345678901234567890123456789012" })
+    @Field("string")
     declare value: string;
   }
 
@@ -39,6 +40,7 @@ async function EncryptAndDecryptStringValuesTest() {
       secretKey: "12345678901234567890123456789012",
       algorithm: "aes-256-cbc",
     })
+    @Field("string")
     declare email: string;
   }
 
@@ -53,6 +55,7 @@ async function EncryptAndDecryptObjectValuesTest() {
       secretKey: "12345678901234567890123456789012",
       algorithm: "aes-256-cbc",
     })
+    @Field("any")
     declare meta: Record<string, unknown>;
   }
 
@@ -68,6 +71,7 @@ async function EncryptAndDecryptArrayValuesTest() {
       secretKey: "12345678901234567890123456789012",
       algorithm: "aes-256-cbc",
     })
+    @Field("any")
     declare values: (string | { deep: string })[];
   }
 
@@ -84,6 +88,7 @@ async function UseCustomIvSizeTest() {
       ivSize: 16,
       algorithm: "aes-256-cbc",
     })
+    @Field("string")
     declare data: string;
   }
 
@@ -98,12 +103,14 @@ async function HandleEncryptionDecoratorTest() {
       secretKey: "12345678901234567890123456789012",
       algorithm: "aes-256-cbc",
     })
+    @Field("string")
     declare password: string;
 
     @Encrypted({
       secretKey: "12345678901234567890123456789012",
       algorithm: "aes-256-cbc",
     })
+    @Field("any")
     declare extra: Record<string, unknown>;
   }
 
@@ -121,6 +128,7 @@ async function GenerateUniqueIvForEachEncryptionTest() {
       secretKey: "12345678901234567890123456789012",
       algorithm: "aes-256-cbc",
     })
+    @Field("string")
     declare body: string;
   }
   const m1 = new Message();
@@ -140,6 +148,7 @@ async function PreserveDataIntegrityTest() {
       secretKey: "12345678901234567890123456789012",
       algorithm: "aes-256-cbc",
     })
+    @Field("any")
     declare payload: {
       string: string;
       number: number;
diff --git a/src/tests/modifiers/hash.test.ts b/src/tests/modifiers/hash.test.ts
index a8ee340..c08840e 100644
--- a/src/tests/modifiers/hash.test.ts
+++ b/src/tests/modifiers/hash.test.ts
@@ -2,7 +2,7 @@ import {
   Hashed,
   HashModifier,
 } from "@antelopejs/interface-database-decorators/modifiers/hash";
-import { Table } from "@antelopejs/interface-database-decorators/table";
+import { Field, Table } from "@antelopejs/interface-database-decorators/table";
 import { expect } from "chai";
 
 describe("Modifiers - hash", () => {
@@ -112,6 +112,7 @@ async function GenerateUniqueSaltForEachFieldTest() {
 async function HandleHashDecoratorTest() {
   class TestTable extends Table.with(HashModifier) {
     @Hashed({ algorithm: "sha256" })
+    @Field("string")
     declare password: string;
   }
 
@@ -140,6 +141,7 @@ async function TestHashValuesTest() {
 async function ProvideTestHashMethodTest() {
   class TestTable extends Table.with(HashModifier) {
     @Hashed({ algorithm: "sha256" })
+    @Field("string")
     declare password: string;
   }
 
diff --git a/src/tests/modifiers/localization.test.ts b/src/tests/modifiers/localization.test.ts
index b6589f9..5791bc0 100644
--- a/src/tests/modifiers/localization.test.ts
+++ b/src/tests/modifiers/localization.test.ts
@@ -2,7 +2,7 @@ import {
   LocalizationModifier,
   Localized,
 } from "@antelopejs/interface-database-decorators/modifiers/localization";
-import { Table } from "@antelopejs/interface-database-decorators/table";
+import { Field, Table } from "@antelopejs/interface-database-decorators/table";
 import { expect } from "chai";
 
 describe("Modifiers - localization", () => {
@@ -116,9 +116,11 @@ async function ProvideLocalizeMethodTest() {
 
   class TestTable extends TestTableWithMixin {
     @Localized({ fallbackLocale: "en" })
+    @Field("string")
     declare title: string;
 
     @Localized({ fallbackLocale: "en" })
+    @Field("string")
     declare description: string;
   }
 
@@ -131,9 +133,11 @@ async function ProvideLocalizeMethodTest() {
 async function HandleLocalizationDecoratorTest() {
   class TestTable extends Table.with(LocalizationModifier) {
     @Localized({ fallbackLocale: "en" })
+    @Field("string")
     declare title: string;
 
     @Localized({ fallbackLocale: "fr" })
+    @Field("string")
     declare description: string;
   }
 
@@ -155,12 +159,15 @@ async function LocalizeSpecificFieldsTest() {
 
   class TestTable extends TestTableWithMixin {
     @Localized({ fallbackLocale: "en" })
+    @Field("string")
     declare title: string;
 
     @Localized({ fallbackLocale: "en" })
+    @Field("string")
     declare description: string;
 
     @Localized({ fallbackLocale: "en" })
+    @Field("string")
     declare content: string;
   }
 
diff --git a/src/tests/schema.test.ts b/src/tests/schema.test.ts
index 53fce4e..96614e2 100644
--- a/src/tests/schema.test.ts
+++ b/src/tests/schema.test.ts
@@ -6,7 +6,11 @@ import {
   getTablesForSchema,
   RegisterTable,
 } from "@antelopejs/interface-database-decorators/schema";
-import { Index, Table } from "@antelopejs/interface-database-decorators/table";
+import {
+  Field,
+  Index,
+  Table,
+} from "@antelopejs/interface-database-decorators/table";
 import { expect } from "chai";
 
 describe("Schema - RegisterTable decorator", () => {
@@ -24,6 +28,7 @@ describe("Schema - RegisterTable decorator", () => {
 async function StoreTableNameAndSchemaNameInMetadataTest() {
   @RegisterTable("test_table", "test-schema")
   class TestTable extends Table {
+    @Field("string")
     name!: string;
   }
 
@@ -36,16 +41,20 @@ async function StoreTableNameForMultipleClassesTest() {
   @RegisterTable("user_table", "multi-schema")
   class UserTable extends Table {
     @Index()
+    @Field("string")
     email!: string;
 
+    @Field("string")
     name!: string;
   }
 
   @RegisterTable("product_table", "multi-schema")
   class ProductTable extends Table {
     @Index()
+    @Field("string")
     name!: string;
 
+    @Field("number")
     price!: number;
   }
 
@@ -62,8 +71,10 @@ async function PreserveExistingMetadataTest() {
   @RegisterTable("indexed_table", "preserve-schema")
   class IndexedTable extends Table {
     @Index()
+    @Field("string")
     email!: string;
 
+    @Field("string")
     name!: string;
   }