diff --git a/backend/src/graphql/enum/GdtEntryType.ts b/backend/src/graphql/enum/GdtEntryType.ts
new file mode 100644
index 000000000..b82153222
--- /dev/null
+++ b/backend/src/graphql/enum/GdtEntryType.ts
@@ -0,0 +1,16 @@
+import { registerEnumType } from 'type-graphql'
+
+export enum GdtEntryType {
+  FORM = 1,
+  CVS = 2,
+  ELOPAGE = 3,
+  ELOPAGE_PUBLISHER = 4,
+  DIGISTORE = 5,
+  CVS2 = 6,
+  GLOBAL_MODIFICATOR = 7,
+}
+
+registerEnumType(GdtEntryType, {
+  name: 'GdtEntryType', // this one is mandatory
+  description: 'Gdt Entry Source Type', // this one is optional
+})
diff --git a/backend/src/graphql/enum/Order.ts b/backend/src/graphql/enum/Order.ts
new file mode 100644
index 000000000..e425d21b2
--- /dev/null
+++ b/backend/src/graphql/enum/Order.ts
@@ -0,0 +1,11 @@
+import { registerEnumType } from 'type-graphql'
+
+export enum Order {
+  ASC = 'ASC',
+  DESC = 'DESC',
+}
+
+registerEnumType(Order, {
+  name: 'Order', // this one is mandatory
+  description: 'Order direction - ascending or descending', // this one is optional
+})
diff --git a/backend/src/graphql/enum/TransactionType.ts b/backend/src/graphql/enum/TransactionType.ts
new file mode 100644
index 000000000..2b6fc44d1
--- /dev/null
+++ b/backend/src/graphql/enum/TransactionType.ts
@@ -0,0 +1,12 @@
+import { registerEnumType } from 'type-graphql'
+
+export enum TransactionType {
+  CREATION = 'creation',
+  SEND = 'send',
+  RECIEVE = 'receive',
+}
+
+registerEnumType(TransactionType, {
+  name: 'TransactionType', // this one is mandatory
+  description: 'Name of the Type of the transaction', // this one is optional
+})
diff --git a/backend/src/graphql/enum/TransactionTypeId.ts b/backend/src/graphql/enum/TransactionTypeId.ts
new file mode 100644
index 000000000..4ff3671cf
--- /dev/null
+++ b/backend/src/graphql/enum/TransactionTypeId.ts
@@ -0,0 +1,11 @@
+import { registerEnumType } from 'type-graphql'
+
+export enum TransactionTypeId {
+  CREATION = 1,
+  SEND = 2,
+}
+
+registerEnumType(TransactionTypeId, {
+  name: 'TransactionTypeId', // this one is mandatory
+  description: 'Type of the transaction', // this one is optional
+})