diff --git a/package.json b/package.json
index 6db1da7..4440d93 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "moysklad-api-model",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "description": "Объектная модель API МойСклад для TypeScript проектов",
   "main": "build/src/index.js",
   "types": "build/src/index.d.ts",
diff --git a/src/index.ts b/src/index.ts
index 116e668..367ad47 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1 +1,2 @@
 export * from './model'
+export * from './tools'
diff --git a/src/model/Demand.ts b/src/model/Demand.ts
new file mode 100644
index 0000000..695661d
--- /dev/null
+++ b/src/model/Demand.ts
@@ -0,0 +1,3 @@
+import type { DocumentWithPositions, HasVat, MetaType } from '.'
+
+export type Demand = DocumentWithPositions<MetaType.Demand> & HasVat
diff --git a/src/model/Document.ts b/src/model/Document.ts
index 3e27010..6e8ddec 100644
--- a/src/model/Document.ts
+++ b/src/model/Document.ts
@@ -13,6 +13,7 @@ import type { Owned } from './Owned'
 export type DocumentMetaType =
   | MetaType.CustomerOrder
   | MetaType.Demand
+  | MetaType.RetailDemand
   | MetaType.PurchaseOrder
 // TODO Описать остальные
 
diff --git a/src/model/Position.ts b/src/model/Position.ts
index 3225ba4..011c127 100644
--- a/src/model/Position.ts
+++ b/src/model/Position.ts
@@ -10,6 +10,7 @@ export type PositionMetaType =
 export type PositionTypeByDocument = {
   [MetaType.CustomerOrder]: MetaType.CustomerOrderPosition
   [MetaType.Demand]: MetaType.DemandPosition
+  [MetaType.RetailDemand]: MetaType.DemandPosition
   [MetaType.PurchaseOrder]: MetaType.PurchaseOrderPosition
 }
 
diff --git a/src/model/RetailDemand.ts b/src/model/RetailDemand.ts
new file mode 100644
index 0000000..f1d26d8
--- /dev/null
+++ b/src/model/RetailDemand.ts
@@ -0,0 +1,7 @@
+import type { DocumentWithPositions, MetaType } from '.'
+
+export interface RetailDemand
+  extends DocumentWithPositions<MetaType.RetailDemand> {
+  cashSum: number
+  noCashSum: number
+}
diff --git a/src/model/index.ts b/src/model/index.ts
index 9b5f56b..039f1d0 100644
--- a/src/model/index.ts
+++ b/src/model/index.ts
@@ -12,6 +12,7 @@ export * from './CustomerOrder'
 export * from './CustomerOrderPosition'
 export * from './Discount'
 export * from './Document'
+export * from './Demand'
 export * from './DocumentWithPositions'
 export * from './Employee'
 export * from './Entity'
@@ -38,5 +39,6 @@ export * from './Owned'
 export * from './Person'
 export * from './Position'
 export * from './PriceType'
+export * from './RetailDemand'
 export * from './State'
 export * from './TaxSystem'
diff --git a/src/tools.ts b/src/tools.ts
new file mode 100644
index 0000000..14859b2
--- /dev/null
+++ b/src/tools.ts
@@ -0,0 +1,8 @@
+import type { EntityByMetaType, MetaType } from './model'
+
+export function isType<T extends MetaType>(
+  metaType: T,
+  entity: unknown
+): entity is EntityByMetaType[T] {
+  return (entity as any)?.meta?.type === metaType
+}
diff --git a/test/model/isType.test.ts b/test/model/isType.test.ts
new file mode 100644
index 0000000..b9cbb12
--- /dev/null
+++ b/test/model/isType.test.ts
@@ -0,0 +1,13 @@
+import { CustomerOrder, Demand, MetaType, RetailDemand } from '../../build/src'
+import { isType } from '../../src/tools'
+import { getTypedVar } from '../tools'
+
+const doc = getTypedVar<CustomerOrder | Demand | RetailDemand>()
+
+if (isType(MetaType.RetailDemand, doc)) {
+  const type: MetaType.RetailDemand = doc.meta.type
+
+  doc.cashSum
+} else {
+  const type: MetaType.CustomerOrder | MetaType.Demand = doc.meta.type
+}
diff --git a/test/tools.ts b/test/tools.ts
new file mode 100644
index 0000000..07ba844
--- /dev/null
+++ b/test/tools.ts
@@ -0,0 +1,3 @@
+export function getTypedVar<T>(): T {
+  return null as any
+}