diff --git a/src/lib/listing/services/paginated-entities.service.ts b/src/lib/listing/services/paginated-entities.service.ts
index cf8b16c..43da78d 100644
--- a/src/lib/listing/services/paginated-entities.service.ts
+++ b/src/lib/listing/services/paginated-entities.service.ts
@@ -25,7 +25,7 @@ const DEFAULT_PAGE_SIZE = 100;
 /**
  * By default, if no implementation (class) is provided, Class = Interface & IListable
  */
-export class PaginatedEntitiesService<
+export abstract class PaginatedEntitiesService<
     Interface,
     Class extends Interface & IListable<PrimaryKey>,
     SearchOptions,
@@ -38,50 +38,41 @@ export class PaginatedEntitiesService<
         totalHits: 0,
     };
 
-    searchQuery = '';
+    protected abstract readonly _searchKey: keyof SearchOptions;
+
+    get searchQuery(): string {
+        return this._currentConfig.options[this._searchKey] as string;
+    }
 
     get config(): PaginatedConfig<SearchOptions> {
         return this._currentConfig;
     }
 
-    updateSearchOptionsAndReload(options: SearchOptions): Observable<Class[]> {
-        this._currentConfig = { ...this._currentConfig, options };
-        return this.loadPage(0);
+    updateSearchQueryAndReload(value: string): Observable<Class[]> {
+        return this.loadPage(0, this._currentConfig.pageSize, { [this._searchKey]: value } as SearchOptions);
     }
 
     reloadPage(): Observable<Class[]> {
         return this.loadPage(this._currentConfig.page);
     }
 
-    loadPage(page = 0, pageSize?: number): Observable<Class[]> {
-        const options = this._currentConfig.options;
-        return super
-            ._post<PaginatedResponse<Interface>>({
-                page,
-                size: pageSize ?? this._currentConfig.pageSize,
-                options,
-            })
-            .pipe(
-                tap(
-                    response =>
-                        (this._currentConfig = {
-                            options,
-                            page: response.page,
-                            pageSize: response.pageSize,
-                            totalHits: response.totalHits,
-                        }),
-                ),
-                map(response => response.data),
-                mapEach(entity => (this._entityClass ? new this._entityClass(entity) : (entity as unknown as Class))),
-                tap((entities: Class[]) => this.setEntities(entities)),
-            );
-    }
+    loadPage(page = 0, pageSize?: number, searchOptions?: SearchOptions): Observable<Class[]> {
+        const options = searchOptions ?? this._currentConfig.options;
+        const size = pageSize ?? this._currentConfig.pageSize;
 
-    loadNextPage(): Observable<Class[]> {
-        return this.loadPage(this._currentConfig.page + 1);
-    }
-
-    loadPreviousPage(): Observable<Class[]> {
-        return this.loadPage(this._currentConfig.page - 1);
+        return super._post<PaginatedResponse<Interface>>({ page, size, options }).pipe(
+            tap(
+                response =>
+                    (this._currentConfig = {
+                        options,
+                        page: response.page,
+                        pageSize: response.pageSize,
+                        totalHits: response.totalHits,
+                    }),
+            ),
+            map(response => response.data),
+            mapEach(entity => (this._entityClass ? new this._entityClass(entity) : (entity as unknown as Class))),
+            tap((entities: Class[]) => this.setEntities(entities)),
+        );
     }
 }