diff --git a/prisma/data/ticket-categories.json b/prisma/data/ticket-categories.json
new file mode 100644
index 0000000..1f26e23
--- /dev/null
+++ b/prisma/data/ticket-categories.json
@@ -0,0 +1,12 @@
+[
+  {
+    "sequence": 1,
+    "symbol": "FREE",
+    "name": "Free"
+  },
+  {
+    "sequence": 2,
+    "symbol": "PAID",
+    "name": "Paid"
+  }
+]
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 8dbe1bb..4905505 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -242,6 +242,9 @@ model Event {
   dateTimeStart DateTime @default(now())
   dateTimeEnd   DateTime @default(now())
 
+  ticketCategoryId String?
+  tikcetCategory   TicketCategory? @relation(fields: [ticketCategoryId], references: [id], onUpdate: Cascade, onDelete: Cascade)
+
   statusId String
   status   EventStatus @relation(fields: [statusId], references: [id])
 
@@ -260,6 +263,8 @@ model Event {
   imageId String?
   image   EventImage? @relation(fields: [imageId], references: [id])
 
+  tickets Ticket[]
+
   organizerId String
   organizer   User   @relation("EventOrganizer", fields: [organizerId], references: [id])
   applicants  User[] @relation("EventApplicant")
@@ -273,6 +278,7 @@ model Event {
   @@index([locationId])
   @@index([formatId])
   @@index([categoryId])
+  @@index([ticketCategoryId])
   @@index([mediaId])
   @@index([organizerId])
 }
@@ -364,6 +370,41 @@ model Location {
   updatedAt DateTime @updatedAt
 }
 
+// -----------------------------------------------------------------------------
+// Ticket Category
+// -----------------------------------------------------------------------------
+
+model TicketCategory {
+  id String @id @default(cuid())
+
+  sequence    Int?    @unique // 1, 2, 3, ...
+  symbol      String  @unique // FREE, PAID
+  name        String  @unique // Free, Paid
+  description String? @db.Text // Long description
+
+  events Event[]
+}
+
+// -----------------------------------------------------------------------------
+// Ticket
+// -----------------------------------------------------------------------------
+
+model Ticket {
+  id String @id @default(cuid())
+
+  name        String // name of ticket like student ticket, general ticket, full ticket etc
+  price       Int
+  description String? @db.Text // the description about the ticket like this ticket include zoom record
+
+  eventId String?
+  event   Event?  @relation(fields: [eventId], references: [id])
+
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+
+  @@index([eventId])
+}
+
 // -----------------------------------------------------------------------------
 // Examples
 // -----------------------------------------------------------------------------
diff --git a/prisma/seed.ts b/prisma/seed.ts
index 6bc9d81..6d5b53d 100644
--- a/prisma/seed.ts
+++ b/prisma/seed.ts
@@ -14,6 +14,7 @@ import dataPostStatuses from "./data/post-statuses.json"
 import dataPosts from "./data/posts.json"
 import dataRoles from "./data/roles.json"
 import dataTags from "./data/tags.json"
+import dataTicketCategories from "./data/ticket-categories.json"
 
 /**
  * Enable and disable seed items by commenting them
@@ -30,6 +31,7 @@ const enabledSeedItems = [
   "eventCategories",
   "eventFormats",
   "eventMedia",
+  "ticketCategories",
 ]
 
 async function main() {
@@ -47,6 +49,7 @@ async function main() {
     eventFormats: seedEventFormats,
     eventMedia: seedEventMedia,
     events: seedEvents,
+    ticketCategories: seedTicketCategories,
   }
 
   for (const seedName of enabledSeedItems) {
@@ -95,6 +98,28 @@ async function seedTags() {
   console.timeEnd(`🪧 Created User Tags: ${userTags.count} tags`)
 }
 
+async function seedTicketCategories() {
+  console.info("\n🪧 Seed ticket categories")
+  console.info(
+    "🪧 Count ticket categories",
+    await prisma.ticketCategory.count(),
+  )
+  // console.info("🪧 Deleted ticket categories", await prisma.ticketCategory.deleteMany())
+  console.time("🪧 Upserted ticket categories")
+
+  for (const statusRaw of dataTicketCategories) {
+    const status = await prisma.ticketCategory.upsert({
+      where: { symbol: statusRaw.symbol },
+      create: statusRaw,
+      update: statusRaw,
+    })
+    console.info(
+      `🪧 Upserted ticket category ${status.symbol} / ${status.name}`,
+    )
+  }
+  console.timeEnd("🪧 Upserted ticket categories")
+}
+
 async function seedRoles() {
   console.info("\n👑 Seed roles")
   console.info("👑 Count roles", await prisma.role.count())
diff --git a/prisma/utils/check-data.ts b/prisma/utils/check-data.ts
index d6bceb7..32c2178 100644
--- a/prisma/utils/check-data.ts
+++ b/prisma/utils/check-data.ts
@@ -17,6 +17,10 @@ async function checkData() {
   console.info("🗓️ Count event categories", await prisma.eventCategory.count())
   console.info("🗓️ Count event formats", await prisma.eventFormat.count())
   console.info("🗓️ Count event media", await prisma.eventMedia.count())
+  console.info(
+    "🗓️ Count ticket categories",
+    await prisma.ticketCategory.count(),
+  )
 }
 
 checkData()