From c0a9d5a0e4b8f335e261937005cea2cce6d7252d Mon Sep 17 00:00:00 2001
From: rly <rly@lbl.gov>
Date: Mon, 11 Nov 2024 23:50:44 -0800
Subject: [PATCH 1/2] Create Mermaid diagram

---
 README.md | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/README.md b/README.md
index 0f571a0..cb23f38 100644
--- a/README.md
+++ b/README.md
@@ -74,6 +74,69 @@ generateExtension('<directory path>/ndx-events/spec/ndx-events.namespace.yaml');
 1. [Example writing TTL pulses and stimulus presentations to an NWB file](examples/write_ttls_events.py).
 
 
+## Diagram
+
+
+```mermaid
+%%{init: {'theme': 'base', 'themeVariables': {'primaryColor': '#ffffff', "primaryBorderColor': '#144E73', 'lineColor': '#D96F32'}}}%%
+
+
+classDiagram
+    direction LR
+
+    class TimestampVectorData {
+        <<VectorData>>
+
+        data : NDArray[Shape["*"], Float]
+        --> unit : str = "seconds"
+        resolution : float, optional
+    }
+
+    class DurationVectorData {
+        <<VectorData>>
+
+        data : NDArray[Shape["*"], Float]
+        --> unit : str = "seconds"
+        resolution : float, optional
+    }
+
+    class CategoricalVectorData {
+        <<VectorData>>
+
+        data : NDArray[Shape["*"], Any]
+        meanings : MeaningsTable
+        filter_values : NDArray[Shape["*"], String], optional
+    }
+
+    class MeaningsTable {
+        <<DynamicTable>>
+
+        value : VectorData[NDArray[Shape["*"], Any]]
+        meaning : VectorData[NDArray[Shape["*"], String]]
+    }
+
+    class EventsTable {
+        <<DynamicTable>>
+
+        timestamp : TimestampVectorData
+        duration : DurationVectorData, optional
+        meanings_tables : list[MeaningsTable]
+    }
+
+    class NdxEventsNWBFile {
+        <<NWBFile>>
+
+        events : list[EventsTable]
+    }
+
+    CategoricalVectorData ..> MeaningsTable : object reference
+    EventsTable "1" *--> "0..*" MeaningsTable : contains
+    EventsTable "1" *--> "1..*" TimestampVectorData : contains
+    EventsTable "1" *--> "0..*" DurationVectorData : contains
+    EventsTable "1" *--> "0..*" CategoricalVectorData : contains
+    NdxEventsNWBFile "1" *--> "0..*" EventsTable : contains
+```
+
 ## Developer installation
 
 In a Python 3.8-3.12 environment:

From 34bff4bbec71a989405ae0373053faab62412292 Mon Sep 17 00:00:00 2001
From: Ryan Ly <rly@lbl.gov>
Date: Mon, 11 Nov 2024 23:52:51 -0800
Subject: [PATCH 2/2] Update README.md

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index cb23f38..8cecf65 100644
--- a/README.md
+++ b/README.md
@@ -121,6 +121,7 @@ classDiagram
         timestamp : TimestampVectorData
         duration : DurationVectorData, optional
         meanings_tables : list[MeaningsTable]
+        [additional_columns] : list[VectorData], optional
     }
 
     class NdxEventsNWBFile {