diff --git a/lib/constants/sortTypes.d.ts b/lib/constants/sortTypes.d.ts
new file mode 100644
index 0000000..2209a1a
--- /dev/null
+++ b/lib/constants/sortTypes.d.ts
@@ -0,0 +1,9 @@
+declare const sortDirections: {
+    ASCENDING: string;
+    DESCENDING: string;
+};
+declare const sortValueTypes: {
+    NUMERIC: string;
+    ALPHABETIC: string;
+};
+export { sortDirections, sortValueTypes };
diff --git a/lib/constants/sortTypes.js b/lib/constants/sortTypes.js
new file mode 100644
index 0000000..8797cca
--- /dev/null
+++ b/lib/constants/sortTypes.js
@@ -0,0 +1,13 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.sortValueTypes = exports.sortDirections = void 0;
+const sortDirections = {
+    ASCENDING: 'ASCENDING',
+    DESCENDING: 'DESCENDING'
+};
+exports.sortDirections = sortDirections;
+const sortValueTypes = {
+    NUMERIC: 'NUMERIC',
+    ALPHABETIC: 'ALPHABETIC'
+};
+exports.sortValueTypes = sortValueTypes;
diff --git a/lib/entities/nodules/FilterNodule.d.ts b/lib/entities/nodules/FilterNodule.d.ts
index 43c687e..0e1459c 100644
--- a/lib/entities/nodules/FilterNodule.d.ts
+++ b/lib/entities/nodules/FilterNodule.d.ts
@@ -5,7 +5,7 @@ declare class FilterNodule extends Nodule {
     filterParams: filterParams;
     constructor(props: filterNoduleConstructionProps);
     addFilter: (params: filterParams) => void;
-    setFilterType: (filterType: filterType) => void;
+    setFilterType: (filterType: string) => void;
     export: () => import("../../types/tableTypes").tableRow[];
     private createFilterMethods;
     private validateFilters;
diff --git a/lib/entities/nodules/GroupByNodule.d.ts b/lib/entities/nodules/GroupByNodule.d.ts
index 1738b58..e24cf5a 100644
--- a/lib/entities/nodules/GroupByNodule.d.ts
+++ b/lib/entities/nodules/GroupByNodule.d.ts
@@ -7,7 +7,7 @@ declare class GroupByNodule extends Nodule {
     asTables: () => Table[];
     asTable: () => never;
     export: () => never;
-    exportTables: () => groupedByRows;
+    exportRowGroups: () => groupedByRows;
     setGroupByValue: (value: string) => void;
     private validateGroupByValue;
 }
diff --git a/lib/entities/nodules/SortNodule.d.ts b/lib/entities/nodules/SortNodule.d.ts
new file mode 100644
index 0000000..5796bb2
--- /dev/null
+++ b/lib/entities/nodules/SortNodule.d.ts
@@ -0,0 +1,11 @@
+import { sortDirection, sortKey, sortNoduleConstructorProps, sortValueType } from '../../types/noduleTypes';
+import { tableRow } from '../../types/tableTypes';
+import Nodule from '../Nodule';
+declare class SortNodule extends Nodule {
+    sortValueType: sortValueType;
+    sortDirection: sortDirection;
+    sortKey: sortKey;
+    constructor(props: sortNoduleConstructorProps);
+    export: () => tableRow[];
+}
+export default SortNodule;
diff --git a/lib/entities/nodules/SortNodule.js b/lib/entities/nodules/SortNodule.js
new file mode 100644
index 0000000..3fa290c
--- /dev/null
+++ b/lib/entities/nodules/SortNodule.js
@@ -0,0 +1,42 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const sortTypes_1 = require("../../constants/sortTypes");
+const Nodule_1 = require("../Nodule");
+class SortNodule extends Nodule_1.default {
+    sortValueType = sortTypes_1.sortValueTypes.ALPHABETIC;
+    sortDirection = sortTypes_1.sortDirections.ASCENDING;
+    sortKey = '';
+    constructor(props) {
+        super(props);
+        const { sortValueType, sortDirection, sortKey } = props;
+        if (sortValueType)
+            this.sortValueType = sortValueType;
+        if (sortDirection)
+            this.sortDirection = sortDirection;
+        if (sortKey)
+            this.sortKey = sortKey;
+    }
+    export = () => {
+        const { sortValueType, sortDirection, sortKey } = this;
+        const { NUMERIC } = sortTypes_1.sortValueTypes;
+        const { DESCENDING } = sortTypes_1.sortDirections;
+        let sortMethod;
+        if (sortValueType === NUMERIC)
+            sortMethod = (a, b) => {
+                const aValue = a[sortKey];
+                const bValue = b[sortKey];
+                return aValue - bValue;
+            };
+        else
+            sortMethod = (a, b) => {
+                const aValue = a[sortKey];
+                const bValue = b[sortKey];
+                return aValue.toLowerCase().localeCompare(bValue.toLowerCase());
+            };
+        let rows = this.tables.map(t => t.export()).flat().sort(sortMethod);
+        if (sortDirection === DESCENDING)
+            rows = rows.reverse();
+        return rows;
+    };
+}
+exports.default = SortNodule;
diff --git a/lib/entities/nodules/TransformNodule.js b/lib/entities/nodules/TransformNodule.js
index df99682..4996b09 100644
--- a/lib/entities/nodules/TransformNodule.js
+++ b/lib/entities/nodules/TransformNodule.js
@@ -30,7 +30,7 @@ class TransformNodule extends Nodule_1.default {
         const err = {
             status: 'ERR',
             error: {
-                label: 'Ptructure Parameters are not valid',
+                label: 'Structure Parameters are not valid',
                 messages: []
             }
         };
diff --git a/lib/types/noduleTypes.d.ts b/lib/types/noduleTypes.d.ts
index f72f0f8..fea87e8 100644
--- a/lib/types/noduleTypes.d.ts
+++ b/lib/types/noduleTypes.d.ts
@@ -1,3 +1,5 @@
+import filterTypes from "../constants/filterTypes";
+import { sortValueTypes, sortDirections } from "../constants/sortTypes";
 import Table from "../entities/Table";
 import { tableRow } from "./tableTypes";
 declare type noduleConstructorProps = {
@@ -6,7 +8,9 @@ declare type noduleConstructorProps = {
     type?: 'Nodule';
     tables?: Table[];
 };
-declare type filterType = 'EQUAL' | 'GREATER' | 'GREATEREQUAL' | 'LESSER' | 'LESSEREQUAL';
+declare type filterKeys = keyof typeof filterTypes;
+declare type filterValues = typeof filterTypes[filterKeys];
+declare type filterType = filterValues;
 declare type filterParams = Record<string, string | number>;
 declare type filterNoduleConstructionProps = noduleConstructorProps & {
     filterType: filterType;
@@ -33,4 +37,16 @@ declare type groupByNoduleConstructorProps = noduleConstructorProps & {
     groupByValue: string;
 };
 declare type groupedByRows = Record<string, tableRow[]>;
-export { noduleConstructorProps, filterNoduleConstructionProps, filterType, filterParams, joinParam, joinBy, joinNoduleConstructionProps, transformStruct, transformNoduleConstructionProps, groupByNoduleConstructorProps, groupedByRows };
+declare type sortDirectionKeys = keyof typeof sortDirections;
+declare type sortDirectionValues = typeof sortDirections[sortDirectionKeys];
+declare type sortDirection = sortDirectionValues;
+declare type sortValueTypeKeys = keyof typeof sortValueTypes;
+declare type sortValueTypeValues = typeof sortValueTypes[sortValueTypeKeys];
+declare type sortValueType = sortValueTypeValues;
+declare type sortKey = string;
+declare type sortNoduleConstructorProps = noduleConstructorProps & {
+    sortDirection: sortDirection;
+    sortValueType: sortValueType;
+    sortKey: sortKey;
+};
+export { noduleConstructorProps, filterNoduleConstructionProps, filterType, filterParams, joinParam, joinBy, joinNoduleConstructionProps, transformStruct, transformNoduleConstructionProps, groupByNoduleConstructorProps, groupedByRows, sortDirection, sortValueType, sortKey, sortNoduleConstructorProps, };
diff --git a/src/entities/nodules/GroupByNodule.ts b/src/entities/nodules/GroupByNodule.ts
index 36b5da1..421e77d 100644
--- a/src/entities/nodules/GroupByNodule.ts
+++ b/src/entities/nodules/GroupByNodule.ts
@@ -13,7 +13,7 @@ class GroupByNodule extends Nodule {
   }
 
   asTables = (): Table[] => {
-    const exports = this.exportTables()
+    const exports = this.exportRowGroups()
     const tables = []
     for (let key in exports) {
       const newTableProps: tableConstructorProps = {
@@ -35,7 +35,7 @@ class GroupByNodule extends Nodule {
     throw new Error('"export()" can not be called by GroupByNodule. Call "exportTables()"')
   }
 
-  exportTables = (): groupedByRows => {
+  exportRowGroups = (): groupedByRows => {
     const { groupByValue } = this
     const rows = this.tables.map(t => t.export() ).flat()
     const groupedByRows = rows.reduce((groups: groupedByRows, r) => {
diff --git a/tests/core/nodules/groupByNoduleTests.js b/tests/core/nodules/groupByNoduleTests.js
index a703f64..1204ccb 100644
--- a/tests/core/nodules/groupByNoduleTests.js
+++ b/tests/core/nodules/groupByNoduleTests.js
@@ -42,7 +42,7 @@ const groupByTest = () => {
     return false
   }
 
-  const groupedRows = groupByNodule.exportTables()
+  const groupedRows = groupByNodule.exportRowGroups()
   if (JSON.stringify(groupedRows) === JSON.stringify(expectedOutput)) {
     return true
   } else {