From cfd4971b1bdb815371fbb736353f08674e51bbb6 Mon Sep 17 00:00:00 2001
From: Hamish Moffatt <hamish@moffatt.id.au>
Date: Thu, 16 Feb 2023 12:55:04 +1100
Subject: [PATCH] Don't send custom parameters if empty in deep linking result

---
 pylti1p3/deep_link_resource.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pylti1p3/deep_link_resource.py b/pylti1p3/deep_link_resource.py
index 131606f..0574f29 100644
--- a/pylti1p3/deep_link_resource.py
+++ b/pylti1p3/deep_link_resource.py
@@ -65,7 +65,6 @@ def to_dict(self) -> t.Dict[str, object]:
             "type": self._type,
             "title": self._title,
             "url": self._url,
-            "custom": self._custom_params,
         }
         if self._lineitem:
             line_item: t.Dict[str, object] = {
@@ -93,4 +92,7 @@ def to_dict(self) -> t.Dict[str, object]:
         if self._icon_url:
             res["icon"] = {"url": self._icon_url}
 
+        if self._custom_params:
+            res["custom"] = self._custom_params
+
         return res