diff --git a/index.d.ts b/index.d.ts
index 24868e9..44872ff 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -5,7 +5,7 @@ export interface CollectionDocument {
     [key: string]: any
 }
 
-export interface ReadCollectionOptions {
+export interface DbReadOptions {
     filter?: {
         [key: string]: any
     }
@@ -63,32 +63,16 @@ interface PostHookData {
     data?: CollectionDocument
 }
 
-export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookData {
-    request(): {
-        method: string
-        remoteAddr: string
-        host: string
-        url: string
-        path: string
-        param(p: string): string
-        query(q: string): string
-        header(h: string): string
-        body(): string
-        /**
-         * bodyBytes return []byte go slice of post body for later use pe. in iso8859ToUtf8
-         */
-        bodyBytes(): string
-    }
-
+interface DbPackage {
     /**
      * read results from a collection
      *
      * @param colName collection name
      * @param options options map
      */
-    readCollection(
+    find(
         colName: string,
-        options?: ReadCollectionOptions
+        options?: DbReadOptions
     ): CollectionDocument[]
 
     /**
@@ -97,9 +81,9 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
      * @param colName collection name
      * @param options options map (only filter is valid)
      */
-    readCollectionCount(
+    count(
         colName: string,
-        options?: ReadCollectionOptions
+        options?: DbReadOptions
     ): number
 
     /**
@@ -108,7 +92,7 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
      * @param colName collection name
      * @param data data map
      */
-    createDocument(
+    create(
         colName: string,
         data: CollectionDocument
     ): CollectionDocument
@@ -120,7 +104,7 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
      * @param id id of entry
      * @param data new/changed data
      */
-    updateDocument(
+    update(
         colName: string,
         id: string,
         data: CollectionDocument
@@ -132,7 +116,7 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
      * @param colName collection name
      * @param id id of entry
      */
-    deleteDocument(colName: string, id: string): { message: "ok" }
+    delete(colName: string, id: string): { message: "ok" }
 
     /**
      * deletes documents by filter from collection
@@ -140,11 +124,14 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
      * @param colName collection name
      * @param options options map, only filter valid
      */
-    deleteDocuments(
+    deleteMany(
         colName: string,
-        options?: ReadCollectionOptions
+        options?: DbReadOptions
     ): { message: "ok"; removed: number }
 
+}
+
+interface MailPackage {
     /**
      * send an email
      *
@@ -162,7 +149,57 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
         html?: string
         attach?: string | string[]
     }): void
+}
 
+interface FsPackage {
+    /**
+     * read a file relative to config dir and return its content
+     *
+     * @param path relative file path
+     */
+    readFile(path: string): string
+
+    /**
+     * stat file or directory
+     *
+     * @param path
+     */
+    stat(path: string): {
+        name: string
+        size: number
+        isDir: boolean
+        modTime: string
+    }
+
+    /**
+     * list directory entries
+     *
+     * @param path
+     */
+    readDir(path: string): {
+        name: string
+        size: number
+        isDir: boolean
+        modTime: string
+    }[]
+
+    /**
+     * make directory and all missing sub directories, no error if directory already exists
+     *
+     * @param path
+     */
+    mkDir(path: string): void
+
+    /**
+     * remove file or empty directory
+     *
+     * @param path
+     */
+    remove(path: string): void
+
+}
+
+interface TemplatePackage {
     /**
      * execute a template code and return result
      *
@@ -175,14 +212,9 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
             [key: string]: any
         }
     ): string
+}
 
-    /**
-     * read a file relative to config dir and return its content
-     *
-     * @param path relative file path
-     */
-    file(path: string): string
-
+interface HttpPackage {
     /**
      * http request
      *
@@ -207,7 +239,9 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
             json(): any
         }
     }
+}
 
+interface DebugPackage {
     /**
      * dumps data to header and server log
      *
@@ -215,6 +249,13 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
      */
     dump(...toDump: any): void
 
+    /**
+     * get Sentry trace id
+     */
+    sentryTraceId(): string
+}
+
+interface ResponsePackage {
     /**
      * set response header
      *
@@ -222,7 +263,9 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
      * @param value value
      */
     header(name: string, value: any): void
+}
 
+interface UserPackage {
     /**
      * get JWT authentication
      */
@@ -232,19 +275,16 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
         role: number
         permissions: string[]
     }
+}
 
-    /**
-     * get Sentry trace id
-     */
-    sentryTraceId(): string
-
+interface BcryptPackage {
     /**
      * hash password via bcrypt algo
      *
      * @param password clear text password
      * @param options hashing options
      */
-    bcryptHash(
+    hash(
         password: string,
         options?: {
             cost?: number
@@ -257,8 +297,10 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
      * @param password clear text password
      * @param hash hashed password
      */
-    bcryptCheck(password: string, hash: string): boolean
+    check(password: string, hash: string): boolean
+}
 
+interface JwtPackage {
     /**
      * create a jwt signed token string
      *
@@ -302,14 +344,18 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
             [key: string]: any
         }
     }
+}
 
+interface CharsetPackage {
     /**
      * convert iso8859 to utf8
      *
      * @param iso8859 iso string
      */
     iso8859ToUtf8(iso8859: string): string
+}
 
+interface ImagePackage {
     /**
      * convert image from source file to target file with filters
      *
@@ -317,7 +363,7 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
      * @param targetFile
      * @param filters
      */
-    imageFilter(
+    filter(
         sourceFile: string,
         targetFile: string,
         filters: {
@@ -336,45 +382,16 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
             quality?: number
         }[]
     ): void
+}
 
-    /**
-     * stat file or directory
-     *
-     * @param path
-     */
-    fsStat(path: string): {
-        name: string
-        size: number
-        isDir: boolean
-        modTime: string
-    }
-
-    /**
-     * list directory entries
-     *
-     * @param path
-     */
-    fsReadDir(path: string): {
-        name: string
-        size: number
-        isDir: boolean
-        modTime: string
-    }[]
-
-    /**
-     * make directory and all missing sub directories, no error if directory already exists
-     *
-     * @param path
-     */
-    fsMkDir(path: string): void
-
+interface XmlPackage {
     /**
      * create xml string
      * 
      * @param data object or array
      * @param options options
      */
-    xmlCreate(data: any, options?: {}): string
+    create(data: any, options?: {}): string
 
     /**
      * parse xml string to json
@@ -382,14 +399,16 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
      * @param xml xml string
      * @param options options
      */
-    xmlParse(xml:string, options?: {}): any
+    parse(xml:string, options?: {}): any
+}
 
+interface CookiePackage {
     /**
      * get cookie from http header
      * 
      * @param name cookie name
      */
-    cookieGet(name: string): string
+    get(name: string): string
 
     /**
      * set cookie via http header
@@ -398,7 +417,7 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
      * @param value cookie value
      * @param options cookie options
      */
-    cookieSet(name: string, value: string, options?:{
+    set(name: string, value: string, options?:{
         maxAge?: number
         path?:string
         domain?:string
@@ -407,6 +426,39 @@ export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookDa
     }): void
 }
 
+export interface HookContext extends GetHookData, GetHookGetOnlyData, PostHookData {
+    request(): {
+        method: string
+        remoteAddr: string
+        host: string
+        url: string
+        path: string
+        param(p: string): string
+        query(q: string): string
+        header(h: string): string
+        body(): string
+        /**
+         * bodyBytes return []byte go slice of post body for later use pe. in iso8859ToUtf8
+         */
+        bodyBytes(): string
+    }
+
+    db: DbPackage
+    mail: MailPackage
+    fs: FsPackage
+    template: TemplatePackage
+    http: HttpPackage
+    debug: DebugPackage
+    reponse: ResponsePackage
+    user: UserPackage
+    bcrypt: BcryptPackage
+    jwt: JwtPackage
+    charset: CharsetPackage
+    image: ImagePackage
+    xml: XmlPackage
+    cookie: CookiePackage
+}
+
 export interface HookException {
     status?: number
     html?: string