diff --git a/models/contact/src/index.ts b/models/contact/src/index.ts
index b283134187..12d1e7f8e7 100644
--- a/models/contact/src/index.ts
+++ b/models/contact/src/index.ts
@@ -24,9 +24,9 @@ import type {
   Person,
   Persons
 } from '@anticrm/contact'
-import type { Domain, Ref } from '@anticrm/core'
+import type { Domain, Ref, Timestamp } from '@anticrm/core'
 import { DOMAIN_MODEL, IndexKind } from '@anticrm/core'
-import { Builder, Collection, Index, Model, Prop, TypeRef, TypeString, UX } from '@anticrm/model'
+import { Builder, Collection, Index, Model, Prop, TypeRef, TypeString, TypeTimestamp, UX } from '@anticrm/model'
 import attachment from '@anticrm/model-attachment'
 import chunter from '@anticrm/model-chunter'
 import core, { TAccount, TAttachedDoc, TDoc, TSpace } from '@anticrm/model-core'
@@ -70,7 +70,7 @@ export class TContact extends TDoc implements Contact {
 }
 
 @Model(contact.class.Channel, core.class.AttachedDoc, DOMAIN_CHANNEL)
-@UX(contact.string.Channel, contact.icon.Person, undefined, 'modifiedOn')
+@UX(contact.string.Channel, contact.icon.Person, undefined, 'lastMessage')
 export class TChannel extends TAttachedDoc implements Channel {
   @Prop(TypeRef(contact.class.ChannelProvider), contact.string.ChannelProvider)
   provider!: Ref<ChannelProvider>
@@ -80,6 +80,9 @@ export class TChannel extends TAttachedDoc implements Channel {
   value!: string
 
   items?: number
+
+  @Prop(TypeTimestamp(), core.string.Modified)
+  lastMessage?: Timestamp
 }
 
 @Model(contact.class.Person, contact.class.Contact)
diff --git a/models/gmail/package.json b/models/gmail/package.json
index 1169ebdab5..7a29e03bd8 100644
--- a/models/gmail/package.json
+++ b/models/gmail/package.json
@@ -30,6 +30,7 @@
     "@anticrm/core": "~0.6.16",
     "@anticrm/platform": "~0.6.6",
     "@anticrm/model-core": "~0.6.0",
+    "@anticrm/contact": "~0.6.5",
     "@anticrm/model-contact": "~0.6.1",
     "@anticrm/gmail": "~0.6.0",
     "@anticrm/gmail-resources": "~0.6.0",
diff --git a/models/gmail/src/index.ts b/models/gmail/src/index.ts
index 3019cd9223..c1af64e64a 100644
--- a/models/gmail/src/index.ts
+++ b/models/gmail/src/index.ts
@@ -1,6 +1,5 @@
 //
-// Copyright © 2020, 2021 Anticrm Platform Contributors.
-// Copyright © 2021 Hardcore Engineering Inc.
+// Copyright © 2022 Hardcore Engineering Inc.
 //
 // Licensed under the Eclipse Public License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License. You may
@@ -15,12 +14,13 @@
 //
 
 import activity from '@anticrm/activity'
-import { Domain, IndexKind, Timestamp, Type } from '@anticrm/core'
+import { Channel } from '@anticrm/contact'
+import { Class, Domain, IndexKind, Ref, Timestamp, Type } from '@anticrm/core'
 import type { Message, NewMessage, SharedMessage, SharedMessages } from '@anticrm/gmail'
 import { ArrOf, Builder, Collection, Index, Model, Prop, TypeBoolean, TypeString, TypeTimestamp } from '@anticrm/model'
-import contact from '@anticrm/model-contact'
-import core, { TDoc, TAttachedDoc } from '@anticrm/model-core'
 import attachment from '@anticrm/model-attachment'
+import contact from '@anticrm/model-contact'
+import core, { TAttachedDoc, TDoc } from '@anticrm/model-core'
 import setting from '@anticrm/setting'
 import gmail from './plugin'
 
@@ -32,6 +32,9 @@ function TypeSharedMessage (): Type<SharedMessage> {
 
 @Model(gmail.class.Message, core.class.AttachedDoc, DOMAIN_GMAIL)
 export class TMessage extends TAttachedDoc implements Message {
+  declare attachedTo: Ref<Channel>
+  declare attachedToClass: Ref<Class<Channel>>
+
   @Prop(TypeString(), gmail.string.MessageID)
   messageId!: string
 
diff --git a/models/server-gmail/src/index.ts b/models/server-gmail/src/index.ts
index c9c491d5cc..46b8a9d3ce 100644
--- a/models/server-gmail/src/index.ts
+++ b/models/server-gmail/src/index.ts
@@ -29,4 +29,8 @@ export function createModel (builder: Builder): void {
       collectDocs: serverGmail.function.FindMessages
     }
   )
+
+  builder.createDoc(serverCore.class.Trigger, core.space.Model, {
+    trigger: serverGmail.trigger.OnMessageCreate
+  })
 }
diff --git a/models/server-telegram/src/index.ts b/models/server-telegram/src/index.ts
index 1ef5728232..94677c1d08 100644
--- a/models/server-telegram/src/index.ts
+++ b/models/server-telegram/src/index.ts
@@ -29,4 +29,8 @@ export function createModel (builder: Builder): void {
       collectDocs: serverTelegram.function.FindMessages
     }
   )
+
+  builder.createDoc(serverCore.class.Trigger, core.space.Model, {
+    trigger: serverTelegram.trigger.OnMessageCreate
+  })
 }
diff --git a/models/telegram/package.json b/models/telegram/package.json
index 0da2a2a8a7..dbf91e3445 100644
--- a/models/telegram/package.json
+++ b/models/telegram/package.json
@@ -32,6 +32,7 @@
     "@anticrm/model-core": "~0.6.0",
     "@anticrm/model-attachment": "~0.6.0",
     "@anticrm/model-contact": "~0.6.1",
+    "@anticrm/contact": "~0.6.5",
     "@anticrm/telegram": "~0.6.2",
     "@anticrm/telegram-resources": "~0.6.0",
     "@anticrm/setting": "~0.6.1",
diff --git a/models/telegram/src/index.ts b/models/telegram/src/index.ts
index 919ff189e5..90e07c75f2 100644
--- a/models/telegram/src/index.ts
+++ b/models/telegram/src/index.ts
@@ -24,9 +24,10 @@ import type {
   SharedTelegramMessage,
   SharedTelegramMessages
 } from '@anticrm/telegram'
-import { Domain, IndexKind, Timestamp, Type } from '@anticrm/core'
+import { Class, Domain, IndexKind, Ref, Timestamp, Type } from '@anticrm/core'
 import setting from '@anticrm/setting'
 import activity from '@anticrm/activity'
+import { Channel } from '@anticrm/contact'
 import attachment from '@anticrm/model-attachment'
 
 export const DOMAIN_TELEGRAM = 'telegram' as Domain
@@ -37,6 +38,9 @@ function TypeSharedMessage (): Type<SharedTelegramMessage> {
 
 @Model(telegram.class.Message, core.class.AttachedDoc, DOMAIN_TELEGRAM)
 export class TTelegramMessage extends TAttachedDoc implements TelegramMessage {
+  declare attachedTo: Ref<Channel>
+  declare attachedToClass: Ref<Class<Channel>>
+
   @Prop(TypeString(), telegram.string.Content)
   @Index(IndexKind.FullText)
   content!: string
diff --git a/models/telegram/src/migration.ts b/models/telegram/src/migration.ts
index 49dd4652a3..a950586183 100644
--- a/models/telegram/src/migration.ts
+++ b/models/telegram/src/migration.ts
@@ -13,9 +13,31 @@
 // limitations under the License.
 //
 
-import core, { TxOperations } from '@anticrm/core'
+import core, { SortingOrder, TxOperations } from '@anticrm/core'
 import telegram from './plugin'
 import { MigrateOperation, MigrationClient, MigrationUpgradeClient } from '@anticrm/model'
+import contact from '@anticrm/model-contact'
+
+async function updateChannlLastMessage (client: TxOperations): Promise<void> {
+  const channels = await client.findAll(contact.class.Channel, {
+    provider: contact.channelProvider.Telegram
+  })
+  const targets = channels.filter((p) => p.lastMessage === undefined)
+  for (const channel of targets) {
+    const lastMessage = await client.findOne(
+      telegram.class.Message,
+      {
+        attachedTo: channel._id
+      },
+      { sort: { sendOn: SortingOrder.Descending } }
+    )
+    if (lastMessage !== undefined) {
+      await client.updateDoc(channel._class, channel.space, channel._id, {
+        lastMessage: lastMessage.sendOn
+      })
+    }
+  }
+}
 
 export const telegramOperation: MigrateOperation = {
   async migrate (client: MigrationClient): Promise<void> {},
@@ -38,5 +60,7 @@ export const telegramOperation: MigrateOperation = {
         telegram.space.Telegram
       )
     }
+
+    await updateChannlLastMessage(tx)
   }
 }
diff --git a/plugins/contact-resources/src/components/ChannelsDropdown.svelte b/plugins/contact-resources/src/components/ChannelsDropdown.svelte
index 200a60e422..96189a9296 100644
--- a/plugins/contact-resources/src/components/ChannelsDropdown.svelte
+++ b/plugins/contact-resources/src/components/ChannelsDropdown.svelte
@@ -73,8 +73,9 @@
   }
 
   function isNew (item: Channel, lastViews: Map<Ref<Doc>, Timestamp>): boolean {
+    if (item.lastMessage === undefined) return false
     const lastView = (item as Channel)._id !== undefined ? lastViews.get((item as Channel)._id) : undefined
-    return lastView ? lastView < item.modifiedOn : (item.items ?? 0) > 0
+    return lastView ? lastView < item.lastMessage : (item.items ?? 0) > 0
   }
 
   async function update (value: AttachedData<Channel>[] | Channel | null, lastViews: Map<Ref<Doc>, Timestamp>) {
diff --git a/plugins/contact-resources/src/components/ChannelsView.svelte b/plugins/contact-resources/src/components/ChannelsView.svelte
index 5bb6e5dfa6..ba28b4e7fd 100644
--- a/plugins/contact-resources/src/components/ChannelsView.svelte
+++ b/plugins/contact-resources/src/components/ChannelsView.svelte
@@ -65,8 +65,9 @@
   }
 
   function isNew (item: Channel, lastViews: Map<Ref<Doc>, Timestamp>): boolean {
+    if (item.lastMessage === undefined) return false
     const lastView = (item as Channel)._id !== undefined ? lastViews.get((item as Channel)._id) : undefined
-    return lastView ? lastView < item.modifiedOn : (item.items ?? 0) > 0
+    return lastView ? lastView < item.lastMessage : (item.items ?? 0) > 0
   }
 
   async function update (value: AttachedData<Channel>[] | Channel | null, lastViews: Map<Ref<Doc>, Timestamp>) {
diff --git a/plugins/contact/src/index.ts b/plugins/contact/src/index.ts
index 12bedcbe04..b26e6f0ed5 100644
--- a/plugins/contact/src/index.ts
+++ b/plugins/contact/src/index.ts
@@ -24,6 +24,7 @@ import {
   FindResult,
   Ref,
   Space,
+  Timestamp,
   UXObject
 } from '@anticrm/core'
 import type { Asset, Plugin } from '@anticrm/platform'
@@ -56,6 +57,7 @@ export interface Channel extends AttachedDoc {
   provider: Ref<ChannelProvider>
   value: string
   items?: number
+  lastMessage?: Timestamp
 }
 
 /**
diff --git a/plugins/gmail/src/index.ts b/plugins/gmail/src/index.ts
index c1782aa449..fdd57593a5 100644
--- a/plugins/gmail/src/index.ts
+++ b/plugins/gmail/src/index.ts
@@ -18,11 +18,14 @@ import type { Plugin } from '@anticrm/platform'
 import type { Doc, Ref, Class, Space, AttachedDoc, Timestamp } from '@anticrm/core'
 import type { AnyComponent } from '@anticrm/ui'
 import type { IntegrationType, Handler } from '@anticrm/setting'
+import { Channel } from '@anticrm/contact'
 
 /**
  * @public
  */
 export interface Message extends BaseMessage, AttachedDoc {
+  attachedTo: Ref<Channel>
+  attachedToClass: Ref<Class<Channel>>
   messageId: string
   from: string
   textContent: string
diff --git a/plugins/telegram/src/index.ts b/plugins/telegram/src/index.ts
index 325dbffe1f..7d0c0ba7f1 100644
--- a/plugins/telegram/src/index.ts
+++ b/plugins/telegram/src/index.ts
@@ -18,6 +18,7 @@ import type { Plugin } from '@anticrm/platform'
 import type { Doc, Ref, Class, Space, AttachedDoc, Timestamp } from '@anticrm/core'
 import type { AnyComponent } from '@anticrm/ui'
 import type { IntegrationType, Handler } from '@anticrm/setting'
+import { Channel } from '@anticrm/contact'
 
 /**
  * @public
@@ -31,6 +32,9 @@ export interface BaseTelegramMessage extends Doc {
  * @public
  */
 export interface TelegramMessage extends BaseTelegramMessage, AttachedDoc {
+  attachedTo: Ref<Channel>
+  attachedToClass: Ref<Class<Channel>>
+
   incoming: boolean
 
   sendOn: Timestamp
diff --git a/server-plugins/gmail-resources/src/index.ts b/server-plugins/gmail-resources/src/index.ts
index d6d29c219a..77fcb2e6fe 100644
--- a/server-plugins/gmail-resources/src/index.ts
+++ b/server-plugins/gmail-resources/src/index.ts
@@ -14,8 +14,38 @@
 //
 
 import contact, { Channel } from '@anticrm/contact'
-import gmail from '@anticrm/gmail'
-import { Class, Doc, DocumentQuery, FindOptions, FindResult, Hierarchy, Ref } from '@anticrm/core'
+import core, {
+  AttachedDoc,
+  Class,
+  Doc,
+  DocumentQuery,
+  FindOptions,
+  FindResult,
+  Hierarchy,
+  Ref,
+  Tx,
+  TxCollectionCUD,
+  TxCreateDoc,
+  TxProcessor
+} from '@anticrm/core'
+import gmail, { Message } from '@anticrm/gmail'
+import { TriggerControl } from '@anticrm/server-core'
+
+const extractTx = (tx: Tx): Tx => {
+  if (tx._class === core.class.TxCollectionCUD) {
+    const ctx = tx as TxCollectionCUD<Doc, AttachedDoc>
+    if (ctx.tx._class === core.class.TxCreateDoc) {
+      const create = ctx.tx as TxCreateDoc<AttachedDoc>
+      create.attributes.attachedTo = ctx.objectId
+      create.attributes.attachedToClass = ctx.objectClass
+      create.attributes.collection = ctx.collection
+      return create
+    }
+    return ctx.tx
+  }
+
+  return tx
+}
 
 /**
  * @public
@@ -33,13 +63,45 @@ export async function FindMessages (
   if (channel.provider !== contact.channelProvider.Email) {
     return []
   }
-  const messages = await findAll(gmail.class.Message, { attachedTo: doc._id })
-  const newMessages = await findAll(gmail.class.NewMessage, { attachedTo: doc._id })
+  const messages = await findAll(gmail.class.Message, { attachedTo: channel._id })
+  const newMessages = await findAll(gmail.class.NewMessage, { attachedTo: channel._id })
   return [...messages, ...newMessages]
 }
 
+/**
+ * @public
+ */
+export async function OnMessageCreate (tx: Tx, control: TriggerControl): Promise<Tx[]> {
+  const actualTx = extractTx(tx)
+  if (actualTx._class !== core.class.TxCreateDoc) {
+    return []
+  }
+
+  const createTx = tx as TxCreateDoc<Message>
+
+  if (!control.hierarchy.isDerived(createTx.objectClass, gmail.class.Message)) {
+    return []
+  }
+  const message = TxProcessor.createDoc2Doc<Message>(createTx)
+
+  const channel = (await control.findAll(contact.class.Channel, { _id: message.attachedTo }, { limit: 1 }))[0]
+  if (channel === undefined) {
+    return []
+  }
+  if (channel.lastMessage === undefined || channel.lastMessage < message.sendOn) {
+    const tx = control.txFactory.createTxUpdateDoc(channel._class, channel.space, channel._id, {
+      lastMessage: message.sendOn
+    })
+    return [tx]
+  }
+  return []
+}
+
 // eslint-disable-next-line @typescript-eslint/explicit-function-return-type
 export default async () => ({
+  trigger: {
+    OnMessageCreate
+  },
   function: {
     FindMessages
   }
diff --git a/server-plugins/gmail/package.json b/server-plugins/gmail/package.json
index 10aabcafd6..8ed4fa844b 100644
--- a/server-plugins/gmail/package.json
+++ b/server-plugins/gmail/package.json
@@ -28,6 +28,7 @@
   },
   "dependencies": {
     "@anticrm/core": "~0.6.16",
-    "@anticrm/platform": "~0.6.6"
+    "@anticrm/platform": "~0.6.6",
+    "@anticrm/server-core": "~0.6.1"
   }
 }
diff --git a/server-plugins/gmail/src/index.ts b/server-plugins/gmail/src/index.ts
index 4dc6614d19..d5c48eea83 100644
--- a/server-plugins/gmail/src/index.ts
+++ b/server-plugins/gmail/src/index.ts
@@ -17,6 +17,7 @@
 import { Class, Doc, DocumentQuery, FindOptions, FindResult, Hierarchy, Ref } from '@anticrm/core'
 import type { Plugin, Resource } from '@anticrm/platform'
 import { plugin } from '@anticrm/platform'
+import { TriggerFunc } from '@anticrm/server-core'
 
 /**
  * @public
@@ -27,6 +28,9 @@ export const serverGmailId = 'server-gmail' as Plugin
  * @public
  */
 export default plugin(serverGmailId, {
+  trigger: {
+    OnMessageCreate: '' as Resource<TriggerFunc>
+  },
   function: {
     FindMessages: '' as Resource<
     (
diff --git a/server-plugins/inventory-resources/src/index.ts b/server-plugins/inventory-resources/src/index.ts
index c9abd3ef20..0f3993372f 100644
--- a/server-plugins/inventory-resources/src/index.ts
+++ b/server-plugins/inventory-resources/src/index.ts
@@ -32,7 +32,7 @@ const extractTx = (tx: Tx): Tx => {
       create.attributes.collection = ctx.collection
       return create
     }
-    return ctx
+    return ctx.tx
   }
 
   return tx
diff --git a/server-plugins/telegram-resources/src/index.ts b/server-plugins/telegram-resources/src/index.ts
index 70c6f65557..fc94d3d439 100644
--- a/server-plugins/telegram-resources/src/index.ts
+++ b/server-plugins/telegram-resources/src/index.ts
@@ -14,8 +14,38 @@
 //
 
 import contact, { Channel } from '@anticrm/contact'
-import telegram from '@anticrm/telegram'
-import { Class, Doc, DocumentQuery, FindOptions, FindResult, Hierarchy, Ref } from '@anticrm/core'
+import core, {
+  AttachedDoc,
+  Class,
+  Doc,
+  DocumentQuery,
+  FindOptions,
+  FindResult,
+  Hierarchy,
+  Ref,
+  Tx,
+  TxCollectionCUD,
+  TxCreateDoc,
+  TxProcessor
+} from '@anticrm/core'
+import { TriggerControl } from '@anticrm/server-core'
+import telegram, { TelegramMessage } from '@anticrm/telegram'
+
+const extractTx = (tx: Tx): Tx => {
+  if (tx._class === core.class.TxCollectionCUD) {
+    const ctx = tx as TxCollectionCUD<Doc, AttachedDoc>
+    if (ctx.tx._class === core.class.TxCreateDoc) {
+      const create = ctx.tx as TxCreateDoc<AttachedDoc>
+      create.attributes.attachedTo = ctx.objectId
+      create.attributes.attachedToClass = ctx.objectClass
+      create.attributes.collection = ctx.collection
+      return create
+    }
+    return ctx.tx
+  }
+
+  return tx
+}
 
 /**
  * @public
@@ -33,13 +63,45 @@ export async function FindMessages (
   if (channel.provider !== contact.channelProvider.Telegram) {
     return []
   }
-  const messages = await findAll(telegram.class.Message, { attachedTo: doc._id })
-  const newMessages = await findAll(telegram.class.NewMessage, { attachedTo: doc._id })
+  const messages = await findAll(telegram.class.Message, { attachedTo: channel._id })
+  const newMessages = await findAll(telegram.class.NewMessage, { attachedTo: channel._id })
   return [...messages, ...newMessages]
 }
 
+/**
+ * @public
+ */
+export async function OnMessageCreate (tx: Tx, control: TriggerControl): Promise<Tx[]> {
+  const actualTx = extractTx(tx)
+  if (actualTx._class !== core.class.TxCreateDoc) {
+    return []
+  }
+
+  const createTx = tx as TxCreateDoc<TelegramMessage>
+
+  if (!control.hierarchy.isDerived(createTx.objectClass, telegram.class.Message)) {
+    return []
+  }
+  const message = TxProcessor.createDoc2Doc<TelegramMessage>(createTx)
+
+  const channel = (await control.findAll(contact.class.Channel, { _id: message.attachedTo }, { limit: 1 }))[0]
+  if (channel === undefined) {
+    return []
+  }
+  if (channel.lastMessage === undefined || channel.lastMessage < message.sendOn) {
+    const tx = control.txFactory.createTxUpdateDoc(channel._class, channel.space, channel._id, {
+      lastMessage: message.sendOn
+    })
+    return [tx]
+  }
+  return []
+}
+
 // eslint-disable-next-line @typescript-eslint/explicit-function-return-type
 export default async () => ({
+  trigger: {
+    OnMessageCreate
+  },
   function: {
     FindMessages
   }
diff --git a/server-plugins/telegram/package.json b/server-plugins/telegram/package.json
index 932ff9a277..a4f52264e3 100644
--- a/server-plugins/telegram/package.json
+++ b/server-plugins/telegram/package.json
@@ -28,6 +28,7 @@
   },
   "dependencies": {
     "@anticrm/core": "~0.6.16",
-    "@anticrm/platform": "~0.6.6"
+    "@anticrm/platform": "~0.6.6",
+    "@anticrm/server-core": "~0.6.1"
   }
 }
diff --git a/server-plugins/telegram/src/index.ts b/server-plugins/telegram/src/index.ts
index 7323cbde31..5f72ebb27e 100644
--- a/server-plugins/telegram/src/index.ts
+++ b/server-plugins/telegram/src/index.ts
@@ -17,6 +17,7 @@
 import { Class, Doc, DocumentQuery, FindOptions, FindResult, Hierarchy, Ref } from '@anticrm/core'
 import type { Plugin, Resource } from '@anticrm/platform'
 import { plugin } from '@anticrm/platform'
+import { TriggerFunc } from '@anticrm/server-core'
 
 /**
  * @public
@@ -27,6 +28,9 @@ export const serverTelegramId = 'server-telegram' as Plugin
  * @public
  */
 export default plugin(serverTelegramId, {
+  trigger: {
+    OnMessageCreate: '' as Resource<TriggerFunc>
+  },
   function: {
     FindMessages: '' as Resource<
     (