diff --git a/README.md b/README.md
index b0651c3..6185cb6 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,7 @@ import {ApprovalChoice} from "pyrus-api";
 ```typescript
 const taskId = 2512;
 const fieldToAdd: FormFieldTable = {
+	id: 1,
     type: FormFieldType.Table,
     value: [
         {
@@ -98,7 +99,8 @@ const fieldToAdd: FormFieldTable = {
                     name: "Comment",
                     value: "That's right"
                 }
-            ]
+            ],
+			position: 1
         }
     ]
 };
diff --git a/package-lock.json b/package-lock.json
index a83e160..0db0991 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "pyrus-api",
-    "version": "2.5.0",
+    "version": "3.1.0",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "pyrus-api",
-            "version": "2.5.0",
+            "version": "3.1.0",
             "license": "MIT",
             "devDependencies": {
                 "@rollup/plugin-typescript": "^11.1.6",
diff --git a/package.json b/package.json
index ec0f3a9..459113c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "pyrus-api",
-    "version": "3.0.0",
+    "version": "3.1.0",
     "description": "Pyrus API client for TypeScript",
     "repository": {
         "type": "git",
diff --git a/src/entities/formFields/formFieldTable.ts b/src/entities/formFields/formFieldTable.ts
index 17e7615..791b769 100644
--- a/src/entities/formFields/formFieldTable.ts
+++ b/src/entities/formFields/formFieldTable.ts
@@ -12,4 +12,5 @@ type TableRow = {
     cells?: FormField[];
     delete?: boolean;
     deleted?: boolean;
+    position?: number;
 };
diff --git a/src/enums/operatorId.ts b/src/enums/operatorId.ts
index 8eb8103..fbc623a 100644
--- a/src/enums/operatorId.ts
+++ b/src/enums/operatorId.ts
@@ -6,4 +6,5 @@ export enum OperatorId {
     Range = 5,
     MatchPrefix = 6,
     IsEmpty = 7,
+    Exists = 8,
 }
diff --git a/src/helpers/functions.ts b/src/helpers/functions.ts
index 8a26751..fd27057 100644
--- a/src/helpers/functions.ts
+++ b/src/helpers/functions.ts
@@ -117,6 +117,9 @@ export function processFilters(filters: FormFilter[] | undefined) {
             case OperatorId.IsEmpty:
                 prev[`fld${field_id}`] = "empty";
                 break;
+            case OperatorId.Exists:
+                prev[`fld${field_id}`] = "*";
+                break;
             default:
                 return prev;
         }
diff --git a/src/requests/formFilter.ts b/src/requests/formFilter.ts
index 0e8655b..c0c12e6 100644
--- a/src/requests/formFilter.ts
+++ b/src/requests/formFilter.ts
@@ -3,5 +3,5 @@ import {OperatorId} from "../enums/operatorId";
 export type FormFilter = {
     field_id: number;
     operator_id: OperatorId;
-    values: string[];
+    values?: string[];
 };