diff --git a/models/bitrix/src/index.ts b/models/bitrix/src/index.ts
index a3055767df..346cbf4298 100644
--- a/models/bitrix/src/index.ts
+++ b/models/bitrix/src/index.ts
@@ -14,12 +14,12 @@
 // limitations under the License.
 //
 
-import { Builder, Collection, Mixin, Model, Prop, TypeRef, TypeString } from '@hcengineering/model'
+import { ArrOf, Builder, Collection, Mixin, Model, Prop, TypeRef, TypeString } from '@hcengineering/model'
 import core, { TAttachedDoc, TDoc } from '@hcengineering/model-core'
 import bitrix from './plugin'
 
 import { BitrixEntityMapping, BitrixFieldMapping, BitrixSyncDoc, Fields } from '@hcengineering/bitrix'
-import { AnyAttribute, Class, Doc, Domain, Ref } from '@hcengineering/core'
+import { AnyAttribute, Class, Doc, Domain, Mixin as CoreMixin, Ref } from '@hcengineering/core'
 
 import view, { createAction } from '@hcengineering/model-view'
 
@@ -47,6 +47,10 @@ export class TBitrixEntityMapping extends TDoc implements BitrixEntityMapping {
   comments!: boolean
   activity!: boolean
   attachments!: boolean
+
+  @Prop(ArrOf(TypeRef(core.class.Mixin)), core.string.Class)
+  // If specified, will include this mixins in any case.
+    mixins!: Ref<CoreMixin<Doc>>[]
 }
 
 @Model(bitrix.class.FieldMapping, core.class.Doc, DOMAIN_BITRIX)
diff --git a/plugins/bitrix-resources/src/components/EntityMapping.svelte b/plugins/bitrix-resources/src/components/EntityMapping.svelte
index 9881f21d45..b3693769ec 100644
--- a/plugins/bitrix-resources/src/components/EntityMapping.svelte
+++ b/plugins/bitrix-resources/src/components/EntityMapping.svelte
@@ -12,13 +12,14 @@
   import { getEmbeddedLabel } from '@hcengineering/platform'
   import { createQuery, getClient } from '@hcengineering/presentation'
   import { ClassSetting } from '@hcengineering/setting-resources'
-  import { Button, Expandable, Icon, IconDelete, IconEdit, Label, showPopup } from '@hcengineering/ui'
+  import { Button, Expandable, Icon, IconAdd, IconDelete, IconEdit, Label, showPopup } from '@hcengineering/ui'
   import bitrix from '../plugin'
 
   import AttributeMapper from './AttributeMapper.svelte'
   import FieldMappingPresenter from './FieldMappingPresenter.svelte'
 
   import CheckBox from '@hcengineering/ui/src/components/CheckBox.svelte'
+  import DropdownLabelsPopup from '@hcengineering/ui/src/components/DropdownLabelsPopup.svelte'
   import { deepEqual } from 'fast-equals'
   import BitrixFieldLookup from './BitrixFieldLookup.svelte'
   import CreateMappingAttribute from './CreateMappingAttribute.svelte'
@@ -112,6 +113,51 @@
             <Label label={getEmbeddedLabel('Activity')} />
           </div>
         </div>
+        <div class="flex-row-center">
+          <div class="ml-2">
+            <Label label={getEmbeddedLabel('Mixins to include')} />
+          </div>
+          {#each mapping.mixins ?? [] as mixin}
+            <div class="flex-row-center p-1 focused-button">
+              {mixin}
+              <Button
+                icon={IconDelete}
+                on:click={() => {
+                  client.update(mapping, { $pull: { mixins: mixin } })
+                }}
+              />
+            </div>
+          {/each}
+          <Button
+            icon={IconAdd}
+            label={getEmbeddedLabel('Add mixin')}
+            on:click={async () => {
+              const h = client.getHierarchy()
+              const mixins = []
+              for (const o of h.getAncestors(mapping.ofClass)) {
+                const ms = await h.getDescendants(h.getBaseClass(o)).filter((it) => h.isMixin(it))
+                for (const m of ms) {
+                  if (mixins.indexOf(m) === -1) {
+                    mixins.push(m)
+                  }
+                }
+              }
+
+              showPopup(
+                DropdownLabelsPopup,
+                {
+                  items: mixins.map((it) => ({ id: it, label: h.getClass(it).label ?? it }))
+                },
+                'top',
+                (res) => {
+                  if (res != null) {
+                    client.update(mapping, { $push: { mixins: res } })
+                  }
+                }
+              )
+            }}
+          />
+        </div>
       </div>
     </Expandable>
     <Expandable label={getEmbeddedLabel('Mappings')} expanded>
diff --git a/plugins/bitrix/package.json b/plugins/bitrix/package.json
index d3b897c519..907a3a473b 100644
--- a/plugins/bitrix/package.json
+++ b/plugins/bitrix/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hcengineering/bitrix",
-  "version": "0.6.23",
+  "version": "0.6.24",
   "main": "lib/index.js",
   "author": "Anticrm Platform Contributors",
   "license": "EPL-2.0",
diff --git a/plugins/bitrix/src/types.ts b/plugins/bitrix/src/types.ts
index f58cbe0bf4..017733b9c1 100644
--- a/plugins/bitrix/src/types.ts
+++ b/plugins/bitrix/src/types.ts
@@ -1,5 +1,5 @@
 import { ChannelProvider } from '@hcengineering/contact'
-import { AttachedDoc, Class, Doc, Ref } from '@hcengineering/core'
+import { AttachedDoc, Class, Doc, Mixin, Ref } from '@hcengineering/core'
 import { ExpertKnowledge, InitialKnowledge, MeaningfullKnowledge } from '@hcengineering/tags'
 
 /**
@@ -164,6 +164,9 @@ export interface BitrixEntityMapping extends Doc {
   comments: boolean
   activity: boolean
   attachments: boolean
+
+  // If specified, will include this mixins in any case.
+  mixins?: Ref<Mixin<Doc>>[]
 }
 /**
  * @public
diff --git a/plugins/bitrix/src/utils.ts b/plugins/bitrix/src/utils.ts
index 287a7b5b6f..913ebf13b5 100644
--- a/plugins/bitrix/src/utils.ts
+++ b/plugins/bitrix/src/utils.ts
@@ -114,6 +114,11 @@ export async function convert (
   ][] = []
   const mixins: Record<Ref<Mixin<Doc>>, Data<Doc>> = {}
 
+  // Fill required mixins.
+  for (const m of entity.mixins ?? []) {
+    mixins[m] = {}
+  }
+
   const syncRequests: BitrixSyncRequest[] = []
 
   const extractValue = (field?: string, alternatives?: string[]): any | undefined => {