diff --git a/README.md b/README.md
index 38c54e9..46ee112 100644
--- a/README.md
+++ b/README.md
@@ -53,18 +53,19 @@ make -j install
 The program is configured with a JSON config file which contains various settings related to input and output as well as the decays to reconstruct. In the following, the different blocks and fields are explained. In `at_interface/config/config_template.json` all available JSON fields are listed.
 
 ### io
-| Key                       | Description                                                                                                                                               |
-| --------------------------| --------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `input_treename`          | name of the input AnalysisTree (for standard analysistree `rTree`, after running PID framework `pTree`)                                                   |
-| `rectracks_branchname`    | branchname of reconstructed tracks in input analysistree, default names: `VtxTracks` for standard analyistree, `RecParticles` after running Pid-framework |
-| `n_events`                | number of events to be processed, set to `-1` to process all events                                                                                       |
-| `save_options` (optional) | defines save options for the candidates of all decays in this config (see next table)                                                                     |
-
-| `save_options` Flag       | Description                                                                                                                                               |
-| --------------------------| --------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `make_plain_tree`         | normal root tree containing the candidates is written besides the default output tree in AnalysisTree format                                              |
-| `signal_only`             | save only mc-true signal candidates                                                                                                                       |
-| `write_detailed_bg`       | detailed background information in output variable `generation`*                                                                                          |
+| Key                         | Description                                                                                                                                                                   |
+| ----------------------------| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| `input_treename`            | name of the input AnalysisTree (for standard analysistree `rTree`, after running PID framework `pTree`)                                                                       |
+| `rectracks_branchname`      | branchname of reconstructed tracks in input analysistree, default names: `VtxTracks` for standard analyistree, `RecParticles` after running Pid-framework                     |
+| `receventheader_branchname` | branchname of reconstructed event header in input analysistree, default names: `RecEventHeader` for standard analyistree, `AnaEventHeader` after running centrality-framework |
+| `n_events`                  | number of events to be processed, set to `-1` to process all events                                                                                                           |
+| `save_options` (optional)   | defines save options for the candidates of all decays in this config (see next table)                                                                                         |
+
+| `save_options` Flag         | Description                                                                                                                                                                   |
+| ----------------------------| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| `make_plain_tree`           | normal root tree containing the candidates is written besides the default output tree in AnalysisTree format                                                                  |
+| `signal_only`               | save only mc-true signal candidates                                                                                                                                           |
+| `write_detailed_bg`         | detailed background information in output variable `generation`*                                                                                                              |
 
 *Format of detailed background information in the `generation` variable:
 
diff --git a/at_interface/configs/config_template.json b/at_interface/configs/config_template.json
index b2dc4f5..69ae84f 100644
--- a/at_interface/configs/config_template.json
+++ b/at_interface/configs/config_template.json
@@ -2,6 +2,7 @@
     "io" : {
         "input_treename" : "name_tree",            // "rTree" for standard analysistree, "pTree" after running PID-framework (for pid_mode > 2)
         "rectracks_branchname" : "name_tracks",    // "VtxTracks" for standard analyistree, "RecParticles" after running Pid-framework (for pid_mode > 2)
+        "receventheader_branchname" : "name_eh",   // "RecEventHeader" for standard analyistree, "AnaEventHeader" after running centrality-framework
         "n_events" : -1,
         "save_options": ["make_plain_tree", "write_detailed_bg" , "signal_only"]
     },