From bc8c65ff8d7cb88c58d13b019cbb5438f8150a7b Mon Sep 17 00:00:00 2001
From: Albin Antony <albin.pa3@gmail.com>
Date: Wed, 21 Aug 2024 10:34:38 +0530
Subject: [PATCH] Fix L3-iGrant/api#551: While creating presentation
 definition, if fields array inside input descriptor is empty array, it
 doesn't validate

---
 sdjwt/pex.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sdjwt/pex.py b/sdjwt/pex.py
index 1181b2f..64234ae 100644
--- a/sdjwt/pex.py
+++ b/sdjwt/pex.py
@@ -99,6 +99,7 @@ class PresentationDefinition(BaseModel):
                         "fields": {
                             "type": "array",
                             "items": {"$ref": "#/definitions/field"},
+                            "minItems": 1,
                         },
                     },
                     "required": ["fields"],