diff --git a/include/component.h b/include/component.h
index d16c163..6413b94 100644
--- a/include/component.h
+++ b/include/component.h
@@ -32,6 +32,7 @@ void *new_component(const void *component, ...);
 void component_destroy(void *component);
 gc_component *component_remove(gc_component *cmp, const char *name);
 
-#define GETCMP(entity, x) ((struct x *)entity->get_component(entity, #x))
+#define GETCMP(entity, x) ((struct x *)((gc_entity *)entity)->\
+get_component(entity, #x))
 #define GETCOLCMP(x) ((struct x *)entity_get_component(\
 entity_get(engine->scene, id), #x))
diff --git a/include/components/tag_component.h b/include/components/tag_component.h
new file mode 100644
index 0000000..59647fd
--- /dev/null
+++ b/include/components/tag_component.h
@@ -0,0 +1,18 @@
+//
+// Created by anonymus-raccoon on 3/3/20.
+//
+
+#ifndef _TAG_COMPONENT_H_
+#define _TAG_COMPONENT_H_
+
+#include "component.h"
+
+struct tag_component
+{
+	gc_component base;
+	char *tag;
+};
+
+const struct tag_component tag_component;
+
+#endif //_TAG_COMPONENT_H_
diff --git a/include/entity.h b/include/entity.h
index 27ed8c3..5f8cfa6 100644
--- a/include/entity.h
+++ b/include/entity.h
@@ -23,7 +23,7 @@ struct gc_entity
     void (*remove_component)(const gc_scene *scene, const gc_entity *entity, \
 const char *name);
     char *(*serialize)(gc_entity *entity, int fd);
-    void (*destroy)(gc_entity *entity);
+    void (*destroy)(gc_entity *entity, gc_scene *scene);
 };
 
 gc_entity *entity_create(void);
diff --git a/include/list.h b/include/list.h
index 7ebfba5..a3a13de 100644
--- a/include/list.h
+++ b/include/list.h
@@ -16,5 +16,7 @@ struct gc_list
 };
 
 gc_list *list_add(gc_list *list, void *obj);
+gc_list *list_remove(gc_list *list, void *obj);
 
-#define LISTADD(list, obj) (list = list_add(list, obj))
\ No newline at end of file
+#define LISTADD(list, obj) (list = list_add(list, obj))
+#define LISTREM(list, obj) (list = list_remove(list, obj))
\ No newline at end of file
diff --git a/include/prefab.h b/include/prefab.h
index 50d91f7..3c4075b 100644
--- a/include/prefab.h
+++ b/include/prefab.h
@@ -11,4 +11,6 @@
 
 int prefab_load(gc_engine *engine, const char *path);
 int prefab_loadentities(node *n, gc_engine *engine, gc_scene *scene);
-gc_entity *deserialize_entity(gc_engine *engine, gc_scene *scene, node *n);
\ No newline at end of file
+gc_entity *deserialize_entity(gc_engine *engine, gc_scene *scene, node *n);
+gc_component *deserialize_component(gc_engine *engine, gc_entity *entity, \
+gc_scene *scene, node *n);
\ No newline at end of file
diff --git a/src/components/tag_component.c b/src/components/tag_component.c
new file mode 100644
index 0000000..6fa1d8e
--- /dev/null
+++ b/src/components/tag_component.c
@@ -0,0 +1,55 @@
+/*
+** EPITECH PROJECT, 2019
+** MUL_my_runner_2019
+** File description:
+** parralax_component
+*/
+
+#include "components/tag_component.h"
+#include <malloc.h>
+#include "xml.h"
+#include "components/parallax_component.h"
+#include "components/transform_component.h"
+
+static void ctr(void *component, va_list args)
+{
+	struct tag_component *cmp = (struct tag_component *)component;
+
+	cmp->tag = va_arg(args, char *);
+}
+
+static void fdctr(gc_entity *entity, gc_scene *scene, void *component, node *n)
+{
+	struct tag_component *cmp = (struct tag_component *)component;
+
+	cmp->tag = xml_getproperty(n, "tag");
+	(void)scene;
+	(void)entity;
+}
+
+static void dtr(void *component)
+{
+	struct tag_component *cmp = (struct tag_component *)component;
+
+	free(cmp->tag);
+}
+
+static char *serialize(void *component)
+{
+	(void)component;
+	return (NULL);
+}
+
+const struct tag_component tag_component = {
+	base: {
+		name: "tag_component",
+		size: sizeof(struct tag_component),
+		dependencies: (char *[]){NULL},
+		ctr: &ctr,
+		fdctr: &fdctr,
+		dtr: &dtr,
+		serialize: &serialize,
+		destroy: &component_destroy
+	},
+	tag: NULL
+};
\ No newline at end of file
diff --git a/src/deserializer/deserialize_entity.c b/src/deserializer/deserialize_entity.c
index d4ce4d0..5a9483b 100644
--- a/src/deserializer/deserialize_entity.c
+++ b/src/deserializer/deserialize_entity.c
@@ -7,7 +7,6 @@
 
 #include <stdio.h>
 #include "xml.h"
-#include "read_line.h"
 #include "utility.h"
 #include "entity.h"
 #include "engine.h"
diff --git a/src/deserializer/prefab.c b/src/deserializer/prefab.c
index 7ddf4c0..423f45e 100644
--- a/src/deserializer/prefab.c
+++ b/src/deserializer/prefab.c
@@ -44,6 +44,7 @@ int prefab_loadentities(node *n, gc_engine *engine, gc_scene *scene)
             return (-1);
         scene->add_entity(scene, entity);
     }
-
+    if (engine->on_resize && engine->get_screen_size && engine->scene)
+		engine->on_resize(engine, engine->get_screen_size(engine));
     return (0);
 }
\ No newline at end of file
diff --git a/src/engine/engine_component_builder.c b/src/engine/engine_component_builder.c
index 7923f4d..a223185 100644
--- a/src/engine/engine_component_builder.c
+++ b/src/engine/engine_component_builder.c
@@ -6,7 +6,6 @@
 */
 
 #include "engine.h"
-#include "system.h"
 #include "components/movable_component.h"
 #include "components/parallax_component.h"
 #include "components/fixed_to_cam_component.h"
@@ -21,6 +20,7 @@
 #include "components/vertex_component.h"
 #include <stdlib.h>
 #include "components/clickable_component.h"
+#include "components/tag_component.h"
 #include "components/input_component.h"
 
 void engine_add_component(gc_engine *engine, const void *component)
@@ -47,4 +47,5 @@ void engine_add_buildin_components(gc_engine *engine)
     engine->add_component(engine, &clickable_component);
     engine->add_component(engine, &vertex_component);
     engine->add_component(engine, &input_component);
+    engine->add_component(engine, &tag_component);
 }
\ No newline at end of file
diff --git a/src/engine/engine_system_builder.c b/src/engine/engine_system_builder.c
index a6cc765..8c086f6 100644
--- a/src/engine/engine_system_builder.c
+++ b/src/engine/engine_system_builder.c
@@ -15,7 +15,6 @@
 #include "systems/collision_system.h"
 #include "systems/camerafollow_system.h"
 #include "sfml_renderer.h"
-#include <stdlib.h>
 
 void engine_add_system(gc_engine *engine, const void *system)
 {
diff --git a/src/entity/entity.c b/src/entity/entity.c
index 18fac9a..0e8a1ce 100644
--- a/src/entity/entity.c
+++ b/src/entity/entity.c
@@ -53,11 +53,15 @@ char *entity_serialize(gc_entity *entity, int fd)
     return (NULL);
 }
 
-static void destroy(gc_entity *entity)
+static void destroy(gc_entity *entity, gc_scene *scene)
 {
     gc_component *next = NULL;
 
     for (gc_component *cmp = entity->components; cmp; cmp = next) {
+		for (gc_tupple *tup = scene->entities_by_cmp; tup; tup = tup->next)
+			if (!my_strcmp(tup->name, cmp->name))
+				tup_remove(tup, entity->id);
+		LISTREM(scene->entities, entity);
         next = cmp->next;
         cmp->destroy(cmp);
     }
diff --git a/src/scene/scene_destroy.c b/src/scene/scene_destroy.c
index 7ef7f9d..da26520 100644
--- a/src/scene/scene_destroy.c
+++ b/src/scene/scene_destroy.c
@@ -32,7 +32,7 @@ void scene_destroy(gc_scene *scene)
 
     for (gc_list *entity = scene->entities; entity; entity = next) {
         next = entity->next;
-        ((gc_entity *)entity->data)->destroy(entity->data);
+        ((gc_entity *)entity->data)->destroy(entity->data, scene);
         free(entity);
     }
     free_data(scene);
diff --git a/src/ui/button.c b/src/ui/button.c
index 0fac4ff..2d6e893 100644
--- a/src/ui/button.c
+++ b/src/ui/button.c
@@ -14,6 +14,7 @@
 #include "systems/sfml_renderer_system.h"
 #include "ui.h"
 #include <malloc.h>
+#include "components/tag_component.h"
 #include "components/input_component.h"
 
 gc_entity *background_from_text(gc_engine *engine, gc_scene *scene, node *n, \
@@ -58,6 +59,9 @@ gc_list *new_button(gc_engine *engine, gc_scene *scene, node *n)
 		background->add_component(background, new_component(&input_component));
 	background->add_component(background, new_component(&clickable_component,
 		scene, xml_getproperty(n, "click")));
+	if (xml_hasproperty(n, "tag"))
+		background->add_component(background, new_component(&tag_component,
+			xml_getproperty(n, "tag")));
 	LISTADD(entities, background);
 	LISTADD(entities, new_text(engine, scene, n));
 	return (entities);
diff --git a/src/ui/setup_ui.c b/src/ui/setup_ui.c
index 50ac471..5df3711 100644
--- a/src/ui/setup_ui.c
+++ b/src/ui/setup_ui.c
@@ -8,9 +8,11 @@
 #include "components/transform_component.h"
 #include "components/renderer.h"
 #include "components/fixed_to_cam_component.h"
+#include "components/tag_component.h"
 #include "systems/sfml_renderer_system.h"
 #include "ui.h"
 #include <malloc.h>
+#include "prefab.h"
 
 gc_entity *new_text(gc_engine *engine, gc_scene *scene, node *n)
 {
@@ -21,11 +23,9 @@ gc_entity *new_text(gc_engine *engine, gc_scene *scene, node *n)
 	else
 		entity = entity_create();
 	entity->add_component(entity, new_component(&transform_component,
-		(gc_vector2){0, 0},
-		(gc_vector2){0, 0}));
+		(gc_vector2){0, 0}, (gc_vector2){0, 0}));
 	entity->add_component(entity, new_component(&renderer_component,
-		GC_TXTREND,
-		xml_getproperty(n, "text"),
+		GC_TXTREND, xml_getproperty(n, "text"),
 		scene->get_data(scene, "font", NULL),
 		xml_getintprop(n, "size"),
 		xml_gettempprop(n, "color"), xml_getbool(n, "resize", true)));
@@ -33,6 +33,9 @@ gc_entity *new_text(gc_engine *engine, gc_scene *scene, node *n)
 		(gc_vector2){xml_getintprop(n, "x"),xml_getintprop(n, "y")},
 		xml_propcontains(n, "x", "%"), xml_propcontains(n, "y", "%"),
 		0, 0, false, false));
+	if (xml_hasproperty(n, "tag"))
+		entity->add_component(entity, new_component(&tag_component,
+			xml_getproperty(n, "tag")));
 	return (entity);
 }
 
@@ -52,6 +55,9 @@ gc_entity *new_sprite(gc_engine *engine, gc_scene *scene, node *n)
 		xml_propcontains(n, "x", "%"), xml_propcontains(n, "y", "%"),
 		xml_getintprop(n, "width"), xml_getintprop(n, "height"),
 		xml_propcontains(n, "width", "%"), xml_propcontains(n, "height", "%")));
+	if (xml_hasproperty(n, "tag"))
+		entity->add_component(entity, new_component(&tag_component,
+			xml_getproperty(n, "tag")));
 	return (entity);
 }
 
@@ -72,8 +78,14 @@ gc_data *text_make(gc_engine *engine, gc_scene *scene, node *n)
 {
 	gc_list *list = NULL;
 	gc_data *data = malloc(sizeof(*data));
+	gc_component *cmp;
+	gc_entity *txt = new_text(engine, scene, n);
 
-	LISTADD(list, new_text(engine, scene, n));
+	LISTADD(list, txt);
+	for (n = n->child; n; n = n->next) {
+		cmp = deserialize_component(engine, txt, scene, n);
+		txt->add_component(txt, cmp);
+	}
 	data->name = "text";
 	data->type = "ui";
 	data->destroy = NULL;
diff --git a/src/utility/list.c b/src/utility/list.c
index da5154a..fd2f7fb 100644
--- a/src/utility/list.c
+++ b/src/utility/list.c
@@ -26,4 +26,20 @@ gc_list *list_add(gc_list *list, void *obj)
     list->data = obj;
     list->next = NULL;
     return (listconst);
+}
+
+gc_list *list_remove(gc_list *list, void *obj)
+{
+	gc_list *listconst = list;
+
+	if (!list)
+		return (NULL);
+	if (list->data == obj)
+		return (list->next);
+	while (list->next && list->next->data != obj)
+		list = list->next;
+	if (!list->next)
+		return (listconst);
+	list->next = list->next->next;
+	return (listconst);
 }
\ No newline at end of file