diff --git a/README.MD b/README.MD
index 6858baf2..3b109594 100644
--- a/README.MD
+++ b/README.MD
@@ -504,9 +504,10 @@ import { Request, Response } from 'express';
 import {
     applyQueryFields,
     applyQueryFilters,
-    applyQueryRelations,
+    applyQueryRelationsParseOutput,
     applyQueryPagination,
-    applyQuerySort
+    applyQuerySort,
+    parseQueryRelations,
 } from 'typeorm-extension';
 
 /**
@@ -537,7 +538,7 @@ export async function getUsers(req: Request, res: Response) {
 
     // -----------------------------------------------------
 
-    const relationsParsed = applyQueryRelations(query, include, {
+    const relations = parseQueryRelations(include, {
         defaultAlias: 'user',
         allowed: ['profile']
     });
@@ -546,14 +547,14 @@ export async function getUsers(req: Request, res: Response) {
         defaultAlias: 'user',
         allowed: ['id', 'name', 'profile.id'],
         // profile.id can only be used as sorting key, if the relation 'profile' is included.
-        relations: relationsParsed
+        relations
     });
 
     applyQueryFields(query, fields, {
         defaultAlias: 'user',
         allowed: ['id', 'name', 'profile.id', 'profile.avatar'],
         // porfile fields can only be included, if the relation 'profile' is included.
-        relations: relationsParsed
+        relations
     })
 
     // only allow filtering users by id & name
@@ -561,12 +562,14 @@ export async function getUsers(req: Request, res: Response) {
         defaultAlias: 'user',
         allowed: ['id', 'name', 'profile.id'],
         // porfile.id can only be used as a filter, if the relation 'profile' is included.
-        relations: relationsParsed
+        relations
     });
 
     // only allow to select 20 items at maximum.
     const pagination = applyQueryPagination(query, page, {maxLimit: 20});
 
+    applyQueryRelationsParseOutput(query, relations);
+
     // -----------------------------------------------------
 
     const [entities, total] = await query.getManyAndCount();
diff --git a/docs/guide/query-api-reference.md b/docs/guide/query-api-reference.md
index 7398ab6f..8fac5c1b 100644
--- a/docs/guide/query-api-reference.md
+++ b/docs/guide/query-api-reference.md
@@ -12,8 +12,8 @@ check out the [documentation](https://rapiq.tada5hi.net) of the [rapiq](https://
 declare function applyQueryFields<T>(
     query: SelectQueryBuilder<T>,
     data: unknown,
-    options?: FieldsApplyOptions
-) : FieldsApplyOutput;
+    options?: FieldsApplyOptions<T>
+): FieldsApplyOutput;
 ```
 
 Parse and apply fields of the main entity and optional of included relations passed in as `Record<string, string[]>` or `string[]` and apply them to the `SelectQueryBuilder`, in case they match the allowed fields.
@@ -41,11 +41,11 @@ console.log(fields);
 
 **Parameters**
 
-| Name      | Type                      | Description                                                 |
-|:----------|:--------------------------|:------------------------------------------------------------|
-| `query`   | `SelectQueryBuilder`<`T`> | Typeorm SelectQueryBuilder Class.                           |
-| `data`    | `unknown`                 | Fields in raw format. F.e `['name']` or `{user: ['name']}`. |
-| `options` | `FieldsApplyOptions`      | Options for the fields to select.                           |
+| Name      | Type                       | Description                                                 |
+|:----------|:---------------------------|:------------------------------------------------------------|
+| `query`   | `SelectQueryBuilder`<`T`>  | Typeorm SelectQueryBuilder Class.                           |
+| `data`    | `unknown`                  | Fields in raw format. F.e `['name']` or `{user: ['name']}`. |
+| `options` | `FieldsApplyOptions`<`T`>  | Options for the fields to select.                           |
 
 **Returns**
 
@@ -63,7 +63,7 @@ The function returns an array of objects. Each object has the properties `fields
 declare function applyQueryFilters<T>(
     query: SelectQueryBuilder<T>,
     data: unknown, 
-    options?: FiltersApplyOptions
+    options?: FiltersApplyOptions<T>
 ): FiltersApplyOutput;
 ```
 
@@ -92,11 +92,11 @@ console.log(filters);
 
 **Parameters**
 
-| Name      | Type                      | Description                          |
-|:----------|:--------------------------|:-------------------------------------|
-| `query`   | `SelectQueryBuilder`<`T`> | Typeorm SelectQueryBuilder Class.    |
-| `data`    | `unknown`                 | Fields in raw format. F.e `{id: 1}`. |
-| `options` | `FiltersApplyOptions`     | Options for the fields to select.    |
+| Name      | Type                        | Description                          |
+|:----------|:----------------------------|:-------------------------------------|
+| `query`   | `SelectQueryBuilder`<`T`>   | Typeorm SelectQueryBuilder Class.    |
+| `data`    | `unknown`                   | Fields in raw format. F.e `{id: 1}`. |
+| `options` | `FiltersApplyOptions`<`T`>  | Options for the fields to select.    |
 
 **Returns**
 
@@ -114,7 +114,7 @@ The function returns an array of objects. Each object has the properties `key` a
 declare function applyQueryRelations<T>(
     query: SelectQueryBuilder<T>,
     data: unknown, 
-    options?: RelationsApplyOptions
+    options?: RelationsApplyOptions<T>
 ): RelationsApplyOutput;
 ```
 
@@ -143,11 +143,11 @@ console.log(includes);
 
 **Parameters**
 
-| Name      | Type                      | Description                                         |
-|:----------|:--------------------------|:----------------------------------------------------|
-| `query`   | `SelectQueryBuilder`<`T`> | Typeorm SelectQueryBuilder Class.                   |
-| `data`    | `unknown`                 | Relations in raw format. F.e `['roles']` or `roles` |
-| `options` | `RelationsApplyOptions`   | Options for the relations to include.               |
+| Name      | Type                          | Description                                         |
+|:----------|:------------------------------|:----------------------------------------------------|
+| `query`   | `SelectQueryBuilder`<`T`>     | Typeorm SelectQueryBuilder Class.                   |
+| `data`    | `unknown`                     | Relations in raw format. F.e `['roles']` or `roles` |
+| `options` | `RelationsApplyOptions`<`T`>  | Options for the relations to include.               |
 
 **Returns**
 
@@ -215,7 +215,7 @@ The function returns an object. The object might have the properties `limit` and
 declare function applyQuerySort<T>(
     query: SelectQueryBuilder<T>,
     data: unknown, 
-    options?: SortApplyOptions
+    options?: SortApplyOptions<T>
 ): SortApplyOutput;
 ```
 
@@ -248,7 +248,7 @@ console.log(sort);
 |:----------|:--------------------------|:--------------------------------------------------------------------------------------------------------------------------|
 | `query`   | `SelectQueryBuilder`<`T`> | Typeorm SelectQueryBuilder Class.                                                                                         |
 | `data`    | `unknown`                 | Sorting Fields in raw format. F.e `['-name']`, `-name` or `{name: 'DESC'}`. The hyphen prefix indicates descending order. |
-| `options` | `SortApplyOptions`        | Options for the sorting strategy.                                                                                         |
+| `options` | `SortApplyOptions`<`T`>   | Options for the sorting strategy.                                                                                         |
 
 **Returns**
 
@@ -265,7 +265,7 @@ The function returns an objects. Each key-value pair represents a field and the
 ```typescript
 import { FieldsParseOptions } from 'rapiq';
 
-export type FieldsApplyOptions = FieldsParseOptions;
+export type FieldsApplyOptions<T> = FieldsParseOptions<T>;
 ```
 
 ## `FieldsApplyOutput`
@@ -273,7 +273,9 @@ export type FieldsApplyOptions = FieldsParseOptions;
 ```typescript
 import { FieldsParseOutput } from 'rapiq';
 
-export type FieldsApplyOutput = FieldsParseOutput;
+export type FieldsApplyOutput = FieldsParseOutput & {
+    defaultAlias?: string
+};
 ```
 
 ## `FiltersApplyOptions`
@@ -281,10 +283,6 @@ export type FieldsApplyOutput = FieldsParseOutput;
 ```typescript
 import { FiltersParseOptions } from 'rapiq';
 
-export type FiltersTransformOptions = {
-    bindingKeyFn?: (key: string) => string,
-};
-
 export type FilterTransformOutputElement = {
     statement: string,
     binding: Record<string, any>
@@ -293,8 +291,9 @@ export type FiltersTransformOutput = FilterTransformOutputElement[];
 
 // -----------------------------------------
 
-export type FiltersApplyOptions = FiltersParseOptions & {
-    transform?: FiltersTransformOptions
+export type FiltersApplyOptions<T> = FiltersParseOptions<T> & {
+    defaultAlias?: string,
+    bindindKey?: (key: string) => string
 };
 ```
 
@@ -327,7 +326,9 @@ type PaginationApplyOutput = PaginationParseOutput;
 ```typescript
 import { RelationsParseOptions } from 'rapiq';
 
-export type RelationsApplyOptions = RelationsParseOptions;
+export type RelationsApplyOptions<T> = RelationsParseOptions<T> & {
+    defaultAlias?: string
+};
 ```
 
 ## `RelationsApplyOutput`
@@ -344,7 +345,9 @@ export type RelationsApplyOutput = RelationsParseOutput;
 
 import { SortParseOptions } from 'rapiq';
 
-export type SortApplyOptions = SortParseOptions;
+export type SortApplyOptions<T> = SortParseOptions<T> & {
+    defaultAlias?: string
+};
 ```
 
 ## `SortApplyOutput`
diff --git a/docs/guide/query.md b/docs/guide/query.md
index 0870a3b8..80128e69 100644
--- a/docs/guide/query.md
+++ b/docs/guide/query.md
@@ -61,9 +61,10 @@ import { Request, Response } from 'express';
 import {
     applyQueryFields,
     applyQueryFilters,
-    applyQueryRelations,
+    applyQueryRelationsParseOutput,
     applyQueryPagination,
-    applyQuerySort
+    applyQuerySort,
+    parseQueryRelations,
 } from 'typeorm-extension';
 
 /**
@@ -94,7 +95,7 @@ export async function getUsers(req: Request, res: Response) {
 
     // -----------------------------------------------------
 
-    const relationsParsed = applyQueryRelations(query, include, {
+    const relations = parseQueryRelations(include, {
         defaultAlias: 'user',
         allowed: ['profile']
     });
@@ -103,14 +104,14 @@ export async function getUsers(req: Request, res: Response) {
         defaultAlias: 'user',
         allowed: ['id', 'name', 'profile.id'],
         // profile.id can only be used as sorting key, if the relation 'profile' is included.
-        relations: relationsParsed
+        relations
     });
 
     applyQueryFields(query, fields, {
         defaultAlias: 'user',
         allowed: ['id', 'name', 'profile.id', 'profile.avatar'],
         // porfile fields can only be included, if the relation 'profile' is included.
-        relations: relationsParsed
+        relations
     })
 
     // only allow filtering users by id & name
@@ -118,12 +119,14 @@ export async function getUsers(req: Request, res: Response) {
         defaultAlias: 'user',
         allowed: ['id', 'name', 'profile.id'],
         // porfile.id can only be used as a filter, if the relation 'profile' is included.
-        relations: relationsParsed
+        relations
     });
 
     // only allow to select 20 items at maximum.
     const pagination = applyQueryPagination(query, page, {maxLimit: 20});
 
+    applyQueryRelationsParseOutput(query, relations);
+
     // -----------------------------------------------------
 
     const [entities, total] = await query.getManyAndCount();
diff --git a/src/query/index.ts b/src/query/index.ts
index bdbfcd87..feec3895 100644
--- a/src/query/index.ts
+++ b/src/query/index.ts
@@ -1,2 +1,11 @@
 export * from './parameter';
 export * from './utils';
+
+export {
+    parseQueryFields,
+    parseQueryFilters,
+    parseQueryPagination,
+    parseQueryParameter,
+    parseQueryRelations,
+    parseQuerySort,
+} from 'rapiq';