1 files changed, 15 insertions, 0 deletions
diff --git a/hrc/dev/echo.py b/hrc/dev/echo.py
new file mode 100644
index 0000000..7107159
--- /dev/null
+++ b/hrc/dev/echo.py
@@ -0,0 +1,15 @@
+"""HydroRoll-Team/echo
+水系跨平台事件标准(cross-platform event standard): Event Communication and Harmonization across Online platforms.
+:ref: https://github/com/HydroRoll-Team/echo
+:ref: https://echo.hydroroll.team
+"""
+
+class WorkFlow(object):
+    """workflow
+    :ref: https://echo.hydroroll.team/Event/#1_workflow
+    """
+    
+class CallBack(object):
+    """callback
+    :ref: https://echo.hydroroll.team/Event/#4_callback
+    """
+\ No newline at end of file