From e1713969bc84e21f03dccb320ccfcfc84999dd03 Mon Sep 17 00:00:00 2001
From: Eliana Rosselli <eliana@ethyca.com>
Date: Wed, 21 Aug 2024 11:28:32 -0300
Subject: [PATCH 1/2] Add custom_request_field to FidesMeta

---
 src/fideslang/models.py            |  4 ++++
 tests/fideslang/test_validation.py | 20 ++++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/src/fideslang/models.py b/src/fideslang/models.py
index 92626a8..f254d3f 100644
--- a/src/fideslang/models.py
+++ b/src/fideslang/models.py
@@ -402,6 +402,10 @@ class FidesMeta(BaseModel):
         default=None,
         description="Optionally specify if a field is read-only, meaning it can't be updated or deleted.",
     )
+    custom_request_field: Optional[str] = Field(
+        default=None,
+        description="Optionally specify that a field may be used as a custom request field in DSRs. The value is the name of the field in the DSR.",
+    )
 
     @field_validator("data_type")
     @classmethod
diff --git a/tests/fideslang/test_validation.py b/tests/fideslang/test_validation.py
index 698d983..0de6c7f 100644
--- a/tests/fideslang/test_validation.py
+++ b/tests/fideslang/test_validation.py
@@ -625,6 +625,26 @@ def test_specify_fides_meta_directly(self):
             read_only=None,
         )
 
+    def test_specify_fides_meta_with_custom_request_field(self):
+        """fidesops_meta copied to fides_meta"""
+        field = DatasetField(
+            name="test_field",
+            fides_meta={"custom_request_field": "site_id", "primary_key": False},
+            fields=[],
+        )
+
+        assert not hasattr(field, "fidesops_meta")
+        assert field.fides_meta == FidesMeta(
+            references=None,
+            identity=None,
+            primary_key=False,
+            data_type=None,
+            length=None,
+            return_all_elements=None,
+            read_only=None,
+            custom_request_field="site_id"
+        )
+
     def test_specify_both_fidesops_meta_and_fides_meta(self):
         """fidesops_meta copied to fides_meta - fides_meta field takes priority"""
         field = DatasetField(

From 3440fc2e342b8d1e72f6094f6c29027a708a957b Mon Sep 17 00:00:00 2001
From: Eliana Rosselli <eliana@ethyca.com>
Date: Tue, 27 Aug 2024 15:35:52 -0300
Subject: [PATCH 2/2] Add changelog entry

---
 CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20a81fb..3379b9e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,7 +15,7 @@ The types of changes are:
 - `Security` in case of vulnerabilities.
 
 ## [Unreleased](https://github.com/ethyca/fideslang/compare/3.0.2...main)
-
+- Add custom_request_field to FidesMeta [#13](https://github.com/ethyca/fideslang/pull/13)
 
 ## [3.0.2](https://github.com/ethyca/fideslang/compare/3.0.1...3.0.2)