diff --git a/ivas_processing_scripts/processing/chains.py b/ivas_processing_scripts/processing/chains.py
index aeaaa11f2101336f8dba141c544db483649f9504..2ecac3da00995587e676728a60ac13e2ac99d78d 100755
--- a/ivas_processing_scripts/processing/chains.py
+++ b/ivas_processing_scripts/processing/chains.py
@@ -482,6 +482,16 @@ def get_processing_chain(
     # add optional IVAS_rend rendering step after each condition
     if cond_cfg.get("ivas_rend"):
         rend_cfg = cond_cfg["ivas_rend"]
+
+        # check if trajectory is a path or boolean, boolean will trigger a search in the input dir
+        trajectory, trajectory_dir = get_trajectory_or_dir(
+            rend_cfg.get("trajectory"), cfg.input_path
+        )
+
+        # check if render config search is enabled
+        render_config = rend_cfg.get("render_config")
+        render_config_dir = cfg.input_path if render_config else None
+
         chain["processes"].append(
             IVAS_rend(
                 {
@@ -490,6 +500,11 @@ def get_processing_chain(
                     "out_fmt": rend_cfg.get("fmt", tmp_out_fmt),
                     "bin": get_abs_path(rend_cfg.get("bin", None)),
                     "opts": rend_cfg.get("opts"),
+                    "trajectory": trajectory,
+                    "trajectory_dir": trajectory_dir,
+                    "only_3dof": rend_cfg.get("only_3dof"),
+                    "render_config": render_config,
+                    "render_config_dir": render_config_dir,
                     "use_windows_codec_binaries": cfg.use_windows_codec_binaries,
                 }
             )
diff --git a/ivas_processing_scripts/processing/ivas.py b/ivas_processing_scripts/processing/ivas.py
index 8bf668bb319e44fc43c4d9150bd016e3f8a3d5fd..6a5f23d440e54d538f392f597c51074b5f81703e 100755
--- a/ivas_processing_scripts/processing/ivas.py
+++ b/ivas_processing_scripts/processing/ivas.py
@@ -471,6 +471,30 @@ class IVAS_rend(Processing):
         if self._use_wine:
             cmd.insert(0, "wine")
 
+        # search for a trajectory file if the trajectory dir is specified
+        if getattr(self, "trajectory_dir", None):
+            trj_name = out_file.name.split(".")[0]
+            self.trajectory = self.trajectory_dir.joinpath(f"{trj_name}.wav.ht.csv")
+            if not self.trajectory.exists():
+                raise FileNotFoundError(
+                    f"Trajectory file {self.trajectory} not found! Please check the configuration"
+                )
+
+        # truncate to 3DoF if needed
+        if getattr(self, "only_3dof", None):
+            trj_3dof = out_file.with_suffix(".3dof.ht.csv")
+            truncate_trajectory_3dof(self.trajectory, trj_3dof)
+            self.trajectory = trj_3dof
+
+        if getattr(self, "trajectory", None):
+            cmd.extend(["-T", self.trajectory])
+
+        # add renderer config if specified
+        if getattr(self, "render_config", None):
+            rend_cfg_name = out_file.name.split(".")[0]
+            rend_cfg_file = self.render_config_dir.joinpath(f"{rend_cfg_name}.wav.cfg")
+            cmd.extend(["-render_config", rend_cfg_file])
+
         cmd.extend(
             [
                 "-fs",