diff --git a/admin/src/app/features/event-type/components/event-type-form/event-type-form.component.html b/admin/src/app/features/event-type/components/event-type-form/event-type-form.component.html
index 0b4149d..b9fb984 100644
--- a/admin/src/app/features/event-type/components/event-type-form/event-type-form.component.html
+++ b/admin/src/app/features/event-type/components/event-type-form/event-type-form.component.html
@@ -10,15 +10,22 @@
 
       <form [formGroup]="form" (ngSubmit)="onSubmit()" class="space-y-4 mt-4">
 
-            <div class="form-control"><label class="label"><span class="label-text">Esemény típus neve</span></label>
-              <input type="text" formControlName="name" class="input input-bordered w-full"  /></div>
+        <div class="form-control"><label class="label"><span class="label-text">Esemény típus neve</span></label>
+          <input type="text" formControlName="name" class="input input-bordered w-full" />
+        </div>
 
-            <div class="form-control"><label class="label"><span class="label-text">Leírás</span></label>
-              <input type="text" formControlName="description" class="input input-bordered w-full"  /></div>
+        <div class="form-control"><label class="label"><span class="label-text">Leírás</span></label>
+          <input type="text" formControlName="description" class="input input-bordered w-full" />
+        </div>
 
-            <div class="form-control"><label class="label"><span class="label-text">Szín</span></label>
-              <input type="color" formControlName="color" class="input input-bordered w-full"  colorspace="display-p3"
-                     alpha  /></div>
+        <div class="form-control"><label class="label"><span class="label-text">Szín</span></label>
+          <input type="color" formControlName="color" class="input input-bordered w-full" colorspace="display-p3"
+            alpha />
+        </div>
+
+        <div class="form-control"><label class="label"><span class="label-text">Maximális slot szám</span></label>
+          <input type="number" formControlName="max_slot_count" class="input input-bordered w-full" />
+        </div>
 
         <div class="card-actions justify-end mt-6">
           <a routerLink="/event-type" class="btn btn-ghost">Cancel</a>
@@ -29,4 +36,4 @@
       </form>
     </div>
   </div>
-</div>
+</div>
\ No newline at end of file
diff --git a/admin/src/app/features/event-type/components/event-type-form/event-type-form.component.ts b/admin/src/app/features/event-type/components/event-type-form/event-type-form.component.ts
index 86dcb94..8fa4107 100644
--- a/admin/src/app/features/event-type/components/event-type-form/event-type-form.component.ts
+++ b/admin/src/app/features/event-type/components/event-type-form/event-type-form.component.ts
@@ -33,7 +33,7 @@ export class EventTypeFormComponent implements OnInit {
   isEditMode = false;
   id: number | null = null;
 
-  private numericFields = [];
+  private numericFields = ['max_slot_count'];
 
   constructor(
     private fb: FormBuilder,
@@ -43,9 +43,10 @@ export class EventTypeFormComponent implements OnInit {
     private cdr: ChangeDetectorRef
   ) {
     this.form = this.fb.group({
-          name: [null],
-          description: [null],
-          color: [null]
+      name: [null],
+      description: [null],
+      color: [null],
+      max_slot_count: [null]
     });
   }
 
@@ -89,15 +90,15 @@ export class EventTypeFormComponent implements OnInit {
 
     const payload = { ...this.form.value };
 
-     for (const field of this.numericFields) {
-          if (payload[field] != null && payload[field] !== '') {
-            payload[field] = parseFloat(payload[field]);
-          }
-        }
+    for (const field of this.numericFields) {
+      if (payload[field] != null && payload[field] !== '') {
+        payload[field] = parseFloat(payload[field]);
+      }
+    }
 
     let action$: Observable<EventType>;
 
-   if (this.isEditMode && this.id) {
+    if (this.isEditMode && this.id) {
       action$ = this.eventTypeService.update(this.id, payload);
     } else {
       action$ = this.eventTypeService.create(payload);
diff --git a/admin/src/app/features/event-type/models/event-type.model.ts b/admin/src/app/features/event-type/models/event-type.model.ts
index 8fd02bb..f925d1e 100644
--- a/admin/src/app/features/event-type/models/event-type.model.ts
+++ b/admin/src/app/features/event-type/models/event-type.model.ts
@@ -6,6 +6,7 @@ export interface EventType {
   name: string;
   description: string;
   color: string;
+  max_slot_count?: number;
 }
 
 export interface PaginatedResponse<T> {
diff --git a/server/src/entity/event-type.entity.ts b/server/src/entity/event-type.entity.ts
index 166e2b6..24b0774 100644
--- a/server/src/entity/event-type.entity.ts
+++ b/server/src/entity/event-type.entity.ts
@@ -2,7 +2,7 @@
 
 import { Entity, PrimaryGeneratedColumn, Column, OneToMany } from 'typeorm';
 import { Event } from './event.entity';
-import { IsString, IsOptional } from 'class-validator';
+import { IsString, IsOptional, IsNumber } from 'class-validator';
 
 @Entity({ name: 'event_type' })
 export class EventType {
@@ -23,6 +23,11 @@ export class EventType {
   @IsString()
   color: string | null;
 
+  @Column({ type: 'integer', nullable: true })
+  @IsOptional()
+  @IsNumber()
+  max_slot_count: number | null;
+
   @OneToMany(() => Event, (event) => event.eventType)
   events: Event[];
 }
diff --git a/server/src/migration/1763106308125-add_max_slot_count_to_event_type.ts b/server/src/migration/1763106308125-add_max_slot_count_to_event_type.ts
new file mode 100644
index 0000000..cfdc3c0
--- /dev/null
+++ b/server/src/migration/1763106308125-add_max_slot_count_to_event_type.ts
@@ -0,0 +1,15 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class AddMaxSlotCountToEventType1763106308125 implements MigrationInterface {
+    name = 'AddMaxSlotCountToEventType1763106308125';
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(
+            `ALTER TABLE "event_type" ADD COLUMN "max_slot_count" integer NULL`,
+        );
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "event_type" DROP COLUMN "max_slot_count"`);
+    }
+}