diff --git a/CHANGELOG.md b/CHANGELOG.md
index d213534..991f792 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,10 @@ Activate / deactivate layer opacity according to prefix
 Activate / deactivate all masks using MA layers
 -->
 
+1.2.3
+
+- added: autobuild set each gp objects data to single user
+
 1.2.2
 
 - changed: autobuild disabled merge adjacent layer by default
diff --git a/OP_auto_build.py b/OP_auto_build.py
index 6281e4b..7220a4f 100644
--- a/OP_auto_build.py
+++ b/OP_auto_build.py
@@ -69,6 +69,9 @@ class GPEXP_OT_render_auto_build(bpy.types.Operator):
 
     # timer : bpy.props.FloatProperty(default=0.1, options={'SKIP_SAVE'})
 
+    make_gp_single_user : bpy.props.BoolProperty(name='Set Single User Data', default=True,
+        description='Set single user on all objects GP data')
+
     excluded_prefix : bpy.props.StringProperty(
         name='Excluded Layer By Prefix', default='GP, RG, PO, MA',
         description='Exclude layer to send to render by prefix (comma separated list)')
@@ -84,25 +87,29 @@ class GPEXP_OT_render_auto_build(bpy.types.Operator):
         description='Comma separated prefix to render. Set the other prefix and non-prefixed layer to exluded viewlayer')
 
     set_layers_colors : bpy.props.BoolProperty(name='Set Layers Colors', default=True,
-        description='')
+        description='Set colors for on layers according to prefix (hadrcoded color set)')
 
     trigger_rename_lowercase : bpy.props.BoolProperty(name='Trigger Rename Lowercase', default=True,
-        description='')
+        description='Rename all layer names lowercase')
 
     trigger_renumber_by_distance : bpy.props.BoolProperty(name='Trigger Renumber By Distance', default=True,
-        description='')
+        description='Renumber object accordind to distance from camera and In-Front value')
 
     export_layer_infos : bpy.props.BoolProperty(name='Export Layer Infos', default=True,
-        description='')
+        description='Export layers infos to a Json file')
 
     group_all_adjacent_layer_type : bpy.props.BoolProperty(name='Group All Adjacent Layer Type', default=False,
-        description='')
+        description='Fuse output Viewlayer according to adjacent Prefix in layer stack')
 
     change_to_gp_workspace : bpy.props.BoolProperty(name='Change To Gp Workspace', default=True,
-        description='')
+        description='Switch to "GP Render" workspace shipped with addon')
 
     batch_setup_render_scene : bpy.props.BoolProperty(name='Batch Setup Render Scene', default=True,
-        description='')
+        description='- Renumber fileoutputs\
+        \n- Clean compo Tree\
+        \n- Go to camera view in visible viewports\
+        \n- Swap to bg cam'
+        )
 
 
     def invoke(self, context, event):
@@ -117,6 +124,7 @@ class GPEXP_OT_render_auto_build(bpy.types.Operator):
         row.prop(self, 'prefix_filter')
         row.active = self.clean_name_and_visibility
 
+        col.prop(self, 'make_gp_single_user')
         col.prop(self, 'clean_material_duplication')
 
         col.prop(self, 'set_layers_colors')
@@ -208,6 +216,12 @@ class GPEXP_OT_render_auto_build(bpy.types.Operator):
             print('Export layer infos (skip if json already exists)')
             bpy.ops.gp.export_infos_for_compo('INVOKE_DEFAULT', skip_check=True)
 
+        ## Set GP object data to single user (Individual viewlayers)
+        if self.make_gp_single_user:
+            for o in ob_list:
+                if o.data.users > 1:
+                    o.data = o.data.copy()
+
         ## Send all GP to render scene
         print('Send all GP to render scene')
         # bpy.ops.gp.add_object_to_render(mode="ALL") # Ops to send all
diff --git a/__init__.py b/__init__.py
index e3309ac..aecbdf0 100644
--- a/__init__.py
+++ b/__init__.py
@@ -2,7 +2,7 @@ bl_info = {
     "name": "GP Render",
     "description": "Organise export of gp layers through compositor output",
     "author": "Samuel Bernou",
-    "version": (1, 2, 2),
+    "version": (1, 2, 3),
     "blender": (2, 93, 0),
     "location": "View3D",
     "warning": "",