add searchIn param to payload

newsapi/newsapi_client.py

@@ -178,6 +178,7 @@ def get_everything(  # noqa: C901
         self,
         q=None,
         qintitle=None,
+        searchIn=None,
         sources=None,
         domains=None,
         exclude_domains=None,
@@ -200,6 +201,10 @@ def get_everything(  # noqa: C901
             `documentation <https://newsapi.org/docs/endpoints/everything>`_ for search syntax and examples.
         :type q: str or None
 
+        :param searchIn: The fields to restrict your q search to. Should be either title, content, or description. See the official News API
+            `documentation <https://newsapi.org/docs/endpoints/everything>`_ for search syntax and examples.
+        :type q: str or None
+
         :param sources: A comma-seperated string of identifiers for the news sources or blogs you want headlines from.
             Use :meth:`NewsApiClient.get_sources` to locate these programmatically, or look at the
             `sources index <https://newsapi.org/sources>`_.
@@ -262,6 +267,16 @@ def get_everything(  # noqa: C901
             else:
                 raise TypeError("keyword/phrase qintitle param should be of type str")
 
+        # SearchIn
+        if searchIn is not None:
+            if is_valid_string(searchIn):
+                if searchIn in ["title", "content", "description"]:
+                    payload["searchIn"] = searchIn
+                else:
+                    raise ValueError(
+                        f"searchIn param should be either title, content, or description. {searchIn} is given. "
+                    )
+
         # Sources
         if sources is not None:
             if is_valid_string(sources):

tests/test_newsapi_client.py

@@ -146,6 +146,11 @@ def test_api_get_everything(self):
         with self.assertRaises(ValueError):
             self.api.get_everything(page=page)
 
+        # Raises a ValueError if searchIn param is not equal to either title, description, or content
+        searchIn = "date"
+        with self.assertRaises(ValueError):
+            self.api.get_everything(searchIn=searchIn)
+
     def test_api_get_sources(self):
         # Raise TypeError if language param is not of type str
         language = 0