From cd39f7fb0ba6516ed562e2c2012d0880364fa8b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=BB=84=E6=A2=93=E5=81=A5?= <tommy@noreply.example.org>
Date: Wed, 30 Dec 2020 15:00:22 +0800
Subject: [PATCH] =?UTF-8?q?core.go=20TimeArrow=20=E6=B7=BB=E5=8A=A0=20Exte?=
 =?UTF-8?q?nsion?=
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---
 core.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core.go b/core.go
index 0e4345c..ccecd22 100644
--- a/core.go
+++ b/core.go
@@ -38,6 +38,8 @@ type TimeArrow struct {
 	ExpandTags  []string    `json:"expand_tags"`
 	ExpandValue interface{} `json:"expand_value"`
 	Weights     float64     `json:"weights"`
+  
+  	Extension map[string]interface{} `json:"extension"`
 }
 
 type TimeArrows []TimeArrow