diff --git a/README.md b/README.md
index 164c00a..64e8b7a 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,9 @@ Include jupitern/cosmosdb in your project, by adding it to your composer.json fi
 
 ## Changelog
 
+### v2.7.0
+- adding support for PATCH verb (CosmosDb add-on PATCH API) with Add, Set, Replace, Remove, Increment and Move operations, including "getPatchOp[OP]" helper functions
+
 ### v2.6.0
 - code refactor. min PHP verion supported is now 8.0
 - selectCollection no longer creates a colletion if not exist. use createCollection for that
@@ -43,7 +46,8 @@ Include jupitern/cosmosdb in your project, by adding it to your composer.json fi
 This package adds additional functionalities to the [AzureDocumentDB-PHP](https://github.com/cocteau666/AzureDocumentDB-PHP) package. All other functionality exists in this package as well.
 
 ## Limitations
-Use of `limit()` or `order()` in cross-partition queries is currently not supported.
+- Use of `limit()` or `order()` in cross-partition queries is currently not supported.
+- Multi-document patch using transaction based requests is currently not supported.
 
 ## Usage
 
@@ -90,6 +94,52 @@ $rid = \Jupitern\CosmosDb\QueryBuilder::instance()
     ]);
 ```
 
+### Patching Records
+
+```php
+
+# Patch operations: ADD | SET | REPLACE | REMOVE | INCR | MOVE
+# https://learn.microsoft.com/en-us/azure/cosmos-db/partial-document-update#similarities-and-differences
+
+# Where a PartitionKey is in use, the PartitionValue should be set on the QueryBuilder instance
+# prior to making any PATCH operations, as by the nature of PATCH, there is no document body to find the value in, 
+# and the value is taken from the class property when the request is made. $rid_doc is also required because PATCH is an item-level operation.
+
+# Example starting document (as array)
+
+# [
+# 	"_rid" => $rid, 
+# 	'id' => '2', 
+# 	'name' => 'Jane Doe Something', 
+# 	'age' => 36, 
+# 	'country' => 'Portugal'
+# ]
+
+$res = \Jupitern\CosmosDb\QueryBuilder::instance()
+    ->setCollection($collection)
+    ->setPartitionKey('country')
+    ->setPartitionValue('Portugal');
+
+# Patch operations can be batched, so the $operations argument is an array of arrays
+# Batch patch operations are limited to 10 operations per request
+$operations[] = $res->getPatchOpSet('/age', 38);
+$operations[] = $res->getPatchOpAdd('/region' 'Algarve');
+
+$rid_doc = $res->patch($rid_doc, $operations);
+
+# Example patched document (as array)
+
+# [
+# 	"_rid" => $rid, 
+# 	'id' => '2', 
+# 	'name' => 'Jane Doe Something', 
+# 	'age' => 38, 
+# 	'country' => 'Portugal'
+#	'region' => 'Algarve'
+# ]
+
+```
+
 ### Querying Records
 
 ```php
diff --git a/src/CosmosDb.php b/src/CosmosDb.php
index c76ad82..bdb16b6 100644
--- a/src/CosmosDb.php
+++ b/src/CosmosDb.php
@@ -39,7 +39,7 @@ public function setHttpClientOptions(array $options = [])
      *
      * @link http://msdn.microsoft.com/en-us/library/azure/dn783368.aspx
      * @access private
-     * @param string $verb Request Method (GET, POST, PUT, DELETE)
+     * @param string $verb Request Method (GET, POST, PUT, DELETE, PATCH)
      * @param string $resource_type Resource Type
      * @param string $resource_id Resource ID
      * @return array of Request Headers
@@ -151,20 +151,20 @@ public function getInfo(): string
      * @return array JSON response
      * @throws GuzzleException
      */
-	public function query(string $rid_id, string $rid_col, string $query, bool $isCrossPartition = false, $partitionValue = null): array
-	{
+    public function query(string $rid_id, string $rid_col, string $query, bool $isCrossPartition = false, $partitionValue = null): array
+    {
         $headers = $this->getAuthHeaders('POST', 'docs', $rid_col);
         $headers['Content-Length'] = strlen($query);
         $headers['Content-Type'] = 'application/query+json';
         $headers['x-ms-max-item-count'] = -1;
         $headers['x-ms-documentdb-isquery'] = 'True';
-        
+
         if ($isCrossPartition) {
             $headers['x-ms-documentdb-query-enablecrosspartition'] = 'True';
         }
-        
+
         if ($partitionValue) {
-            $headers['x-ms-documentdb-partitionkey'] = '["'.$partitionValue.'"]';
+            $headers['x-ms-documentdb-partitionkey'] = '["' . $partitionValue . '"]';
         }
         /*
          * Fix for https://github.com/jupitern/cosmosdb/issues/21 (credits to https://github.com/ElvenSpellmaker).
@@ -186,8 +186,8 @@ public function query(string $rid_id, string $rid_col, string $query, bool $isCr
                 $result = $this->request("/dbs/{$rid_id}/colls/{$rid_col}/docs", "POST", $headers, $query);
                 $results[] = $result->getBody()->getContents();
             }
-        }
-        catch (\GuzzleHttp\Exception\ClientException $e) {
+        } 
+		  catch (\GuzzleHttp\Exception\ClientException $e) {
             $responseError = \json_decode($e->getResponse()->getBody()->getContents());
 
             // -- Retry the request with PK Ranges --
@@ -220,14 +220,14 @@ public function query(string $rid_id, string $rid_col, string $query, bool $isCr
      * @return mixed
      * @throws GuzzleException
      */
-	public function getPkRanges(string $rid_id, string $rid_col): mixed
+    public function getPkRanges(string $rid_id, string $rid_col): mixed
     {
-		$headers = $this->getAuthHeaders('GET', 'pkranges', $rid_col);
-		$headers['Accept'] = 'application/json';
-		$headers['x-ms-max-item-count'] = -1;
-		$result = $this->request("/dbs/{$rid_id}/colls/{$rid_col}/pkranges", "GET", $headers);
-		return json_decode($result->getBody()->getContents());
-	}
+        $headers = $this->getAuthHeaders('GET', 'pkranges', $rid_col);
+        $headers['Accept'] = 'application/json';
+        $headers['x-ms-max-item-count'] = -1;
+        $result = $this->request("/dbs/{$rid_id}/colls/{$rid_col}/pkranges", "GET", $headers);
+        return json_decode($result->getBody()->getContents());
+    }
 
     /**
      * getPkFullRange
@@ -238,12 +238,12 @@ public function getPkRanges(string $rid_id, string $rid_col): mixed
      * @return string
      * @throws GuzzleException
      */
-	public function getPkFullRange($rid_id, $rid_col): string
+    public function getPkFullRange($rid_id, $rid_col): string
     {
-		$result = $this->getPkRanges($rid_id, $rid_col);
-		$ids = \array_column($result->PartitionKeyRanges, "id");
-		return $result->_rid . "," . \implode(",", $ids);
-	}
+        $result = $this->getPkRanges($rid_id, $rid_col);
+        $ids = \array_column($result->PartitionKeyRanges, "id");
+        return $result->_rid . "," . \implode(",", $ids);
+    }
 
     /**
      * listDatabases
@@ -534,7 +534,7 @@ public function createDocument(string $rid_id, string $rid_col, string $json, st
         $headers = \array_merge($headers, $authHeaders);
         $headers['Content-Length'] = strlen($json);
         if ($partitionKey !== null) {
-            $headers['x-ms-documentdb-partitionkey'] = '["'.$partitionKey.'"]';
+            $headers['x-ms-documentdb-partitionkey'] = '["' . $partitionKey . '"]';
         }
 
         return $this->request("/dbs/{$rid_id}/colls/{$rid_col}/docs", "POST", $headers, $json)->getBody()->getContents();
@@ -560,12 +560,39 @@ public function replaceDocument(string $rid_id, string $rid_col, string $rid_doc
         $headers = \array_merge($headers, $authHeaders);
         $headers['Content-Length'] = strlen($json);
         if ($partitionKey !== null) {
-            $headers['x-ms-documentdb-partitionkey'] = '["'.$partitionKey.'"]';
+            $headers['x-ms-documentdb-partitionkey'] = '["' . $partitionKey . '"]';
         }
 
         return $this->request("/dbs/{$rid_id}/colls/{$rid_col}/docs/{$rid_doc}", "PUT", $headers, $json)->getBody()->getContents();
     }
 
+    /**
+     * patchDocument
+     *
+     * @link https://learn.microsoft.com/en-us/azure/cosmos-db/partial-document-update#rest-api-reference-for-partial-document-update
+     * @access public
+     * @param string $rid_id Resource ID
+     * @param string $rid_col Resource Collection ID
+     * @param string $rid_doc Resource Doc ID
+     * @param string $json JSON request
+     * @param string|null $partitionKey
+     * @param array $headers Optional headers to send along with the request
+     * @return string JSON response
+     * @throws GuzzleException
+     */
+    public function patchDocument(string $rid_id, string $rid_col, string $rid_doc, string $json, string $partitionKey = null, array $headers = []): string
+    {
+        $authHeaders = $this->getAuthHeaders('PATCH', 'docs', $rid_doc);
+        $headers = \array_merge($headers, $authHeaders);
+        $headers['Content-Length'] = strlen($json);
+        $headers['Content-Type'] = 'application/json_patch+json';
+        if ($partitionKey !== null) {
+            $headers['x-ms-documentdb-partitionkey'] = '["' . $partitionKey . '"]';
+        }
+
+        return $this->request("/dbs/{$rid_id}/colls/{$rid_col}/docs/{$rid_doc}", "PATCH", $headers, $json)->getBody()->getContents();
+    }
+
     /**
      * deleteDocument
      *
@@ -585,7 +612,7 @@ public function deleteDocument(string $rid_id, string $rid_col, string $rid_doc,
         $headers = \array_merge($headers, $authHeaders);
         $headers['Content-Length'] = '0';
         if ($partitionKey !== null) {
-            $headers['x-ms-documentdb-partitionkey'] = '["'.$partitionKey.'"]';
+            $headers['x-ms-documentdb-partitionkey'] = '["' . $partitionKey . '"]';
         }
 
         return $this->request("/dbs/{$rid_id}/colls/{$rid_col}/docs/{$rid_doc}", "DELETE", $headers)->getBody()->getContents();
@@ -935,7 +962,7 @@ public function replaceStoredProcedure(string $rid_id, string $rid_col, string $
      * @throws GuzzleException
      */
     public function deleteStoredProcedure(string $rid_id, string $rid_col, string $rid_sproc): string
-    {
+	 {
         $headers = $this->getAuthHeaders('DELETE', 'sprocs', $rid_sproc);
         $headers['Content-Length'] = '0';
         return $this->request("/dbs/{$rid_id}/colls/{$rid_col}/sprocs/{$rid_sproc}", "DELETE", $headers)->getBody()->getContents();
@@ -952,7 +979,7 @@ public function deleteStoredProcedure(string $rid_id, string $rid_col, string $r
      * @throws GuzzleException
      */
     public function listUserDefinedFunctions(string $rid_id, string $rid_col): string
-    {
+	 {
         $headers = $this->getAuthHeaders('GET', 'udfs', $rid_col);
         $headers['Content-Length'] = '0';
         return $this->request("/dbs/{$rid_id}/colls/{$rid_col}/udfs", "GET", $headers)->getBody()->getContents();
@@ -970,7 +997,7 @@ public function listUserDefinedFunctions(string $rid_id, string $rid_col): strin
      * @throws GuzzleException
      */
     public function createUserDefinedFunction(string $rid_id, string $rid_col, string $json): string
-    {
+	 {
         $headers = $this->getAuthHeaders('POST', 'udfs', $rid_col);
         $headers['Content-Length'] = strlen($json);
         return $this->request("/dbs/{$rid_id}/colls/{$rid_col}/udfs", "POST", $headers, $json)->getBody()->getContents();
@@ -989,7 +1016,7 @@ public function createUserDefinedFunction(string $rid_id, string $rid_col, strin
      * @throws GuzzleException
      */
     public function replaceUserDefinedFunction(string $rid_id, string $rid_col, string $rid_udf, string $json): string
-    {
+	 {
         $headers = $this->getAuthHeaders('PUT', 'udfs', $rid_udf);
         $headers['Content-Length'] = strlen($json);
         return $this->request("/dbs/{$rid_id}/colls/{$rid_col}/udfs/{$rid_udf}", "PUT", $headers, $json)->getBody()->getContents();
@@ -1007,7 +1034,7 @@ public function replaceUserDefinedFunction(string $rid_id, string $rid_col, stri
      * @throws GuzzleException
      */
     public function deleteUserDefinedFunction(string $rid_id, string $rid_col, string $rid_udf): string
-    {
+	 {
         $headers = $this->getAuthHeaders('DELETE', 'udfs', $rid_udf);
         $headers['Content-Length'] = '0';
         return $this->request("/dbs/{$rid_id}/colls/{$rid_col}/udfs/{$rid_udf}", "DELETE", $headers)->getBody()->getContents();
@@ -1024,7 +1051,7 @@ public function deleteUserDefinedFunction(string $rid_id, string $rid_col, strin
      * @throws GuzzleException
      */
     public function listTriggers(string $rid_id, string $rid_col): string
-    {
+	 {
         $headers = $this->getAuthHeaders('GET', 'triggers', $rid_col);
         $headers['Content-Length'] = '0';
         return $this->request("/dbs/{$rid_id}/colls/{$rid_col}/triggers", "GET", $headers)->getBody()->getContents();
@@ -1042,7 +1069,7 @@ public function listTriggers(string $rid_id, string $rid_col): string
      * @throws GuzzleException
      */
     public function createTrigger(string $rid_id, string $rid_col, string $json): string
-    {
+	 {
         $headers = $this->getAuthHeaders('POST', 'triggers', $rid_col);
         $headers['Content-Length'] = strlen($json);
         return $this->request("/dbs/{$rid_id}/colls/{$rid_col}/triggers", "POST", $headers, $json)->getBody()->getContents();
@@ -1061,7 +1088,7 @@ public function createTrigger(string $rid_id, string $rid_col, string $json): st
      * @throws GuzzleException
      */
     public function replaceTrigger(string $rid_id, string $rid_col, string $rid_trigger, string $json): string
-    {
+	 {
         $headers = $this->getAuthHeaders('PUT', 'triggers', $rid_trigger);
         $headers['Content-Length'] = strlen($json);
         return $this->request("/dbs/{$rid_id}/colls/{$rid_col}/triggers/{$rid_trigger}", "PUT", $headers, $json)->getBody()->getContents();
@@ -1079,7 +1106,7 @@ public function replaceTrigger(string $rid_id, string $rid_col, string $rid_trig
      * @throws GuzzleException
      */
     public function deleteTrigger(string $rid_id, string $rid_col, string $rid_trigger): string
-    {
+	 {
         $headers = $this->getAuthHeaders('DELETE', 'triggers', $rid_trigger);
         $headers['Content-Length'] = '0';
         return $this->request("/dbs/{$rid_id}/colls/{$rid_col}/triggers/{$rid_trigger}", "DELETE", $headers)->getBody()->getContents();
diff --git a/src/CosmosDbCollection.php b/src/CosmosDbCollection.php
index 5c5c983..421bc91 100644
--- a/src/CosmosDbCollection.php
+++ b/src/CosmosDbCollection.php
@@ -35,9 +35,9 @@ public function query($query, $params = [], $isCrossPartition = false, $partitio
     {
         $paramsJson = [];
         foreach ($params as $key => $val) {
-            $val = is_int($val) || is_float($val) ? $val : '"'. str_replace('"', '\\"', $val) .'"';
+            $val = is_int($val) || is_float($val) ? $val : '"' . str_replace('"', '\\"', $val) . '"';
 
-            $paramsJson[] = '{"name": "' . str_replace('"', '\\"', $key) . '", "value": '.$val.'}';
+            $paramsJson[] = '{"name": "' . str_replace('"', '\\"', $key) . '", "value": ' . $val . '}';
         }
 
         $query = '{"query": "' . str_replace('"', '\\"', $query) . '", "parameters": [' . implode(',', $paramsJson) . ']}';
@@ -45,25 +45,25 @@ public function query($query, $params = [], $isCrossPartition = false, $partitio
         return $this->document_db->query($this->rid_db, $this->rid_col, $query, $isCrossPartition, $partitionValue);
     }
 
-	/**
-	 * getPkRanges
-	 *
-	 * @return mixed
-	 */
-	public function getPkRanges()
-	{
-		return $this->document_db->getPkRanges($this->rid_db, $this->rid_col);
-	}
-
-	/**
-	 * getPkFullRange
-	 *
-	 * @return mixed
-	 */
-	public function getPkFullRange()
-	{
-		return $this->document_db->getPkFullRange($this->rid_db, $this->rid_col);
-	}
+    /**
+     * getPkRanges
+     *
+     * @return mixed
+     */
+    public function getPkRanges()
+    {
+        return $this->document_db->getPkRanges($this->rid_db, $this->rid_col);
+    }
+
+    /**
+     * getPkFullRange
+     *
+     * @return mixed
+     */
+    public function getPkFullRange()
+    {
+        return $this->document_db->getPkFullRange($this->rid_db, $this->rid_col);
+    }
 
     /**
      * createDocument
@@ -94,6 +94,21 @@ public function replaceDocument($rid, $json, $partitionKey = null, array $header
         return $this->document_db->replaceDocument($this->rid_db, $this->rid_col, $rid, $json, $partitionKey, $headers);
     }
 
+    /**
+     * patchDocument
+     *
+     * @access public
+     * @param  string $rid document ResourceID (_rid)
+     * @param string $json JSON formatted operations array
+     * @param string $partitionKey
+     * @param array $headers Optional headers to send along with the request
+     * @return string JSON strings
+     */
+    public function patchDocument($rid_doc, $operations, $partitionKey = null, array $headers = [])
+    {
+        return $this->document_db->patchDocument($this->rid_db, $this->rid_col, $rid_doc, $operations, $partitionKey, $headers);
+    }
+
     /**
      * deleteDocument
      *
@@ -134,7 +149,7 @@ public function getPermission($uid, $pid)
         return $this->document_db->getPermission($this->rid_db, $uid, $pid);
       }
     */
-    
+
     public function listStoredProcedures()
     {
         return $this->document_db->listStoredProcedures($this->rid_db, $this->rid_col);
diff --git a/src/QueryBuilder.php b/src/QueryBuilder.php
index 10904c8..f5d4ffd 100644
--- a/src/QueryBuilder.php
+++ b/src/QueryBuilder.php
@@ -89,9 +89,9 @@ public function where(string $where): static
      * @return QueryBuilder
      */
     public function whereStartsWith(string $field, mixed $value): static
-	{
-		return $this->where("STARTSWITH($field, '{$value}')");
-	}
+    {
+        return $this->where("STARTSWITH($field, '{$value}')");
+    }
 
     /**
      * @param string $field
@@ -100,8 +100,8 @@ public function whereStartsWith(string $field, mixed $value): static
      */
     public function whereEndsWith(string $field, mixed $value): static
     {
-		return $this->where("ENDSWITH($field, '{$value}')");
-	}
+        return $this->where("ENDSWITH($field, '{$value}')");
+    }
 
     /**
      * @param string $field
@@ -110,8 +110,8 @@ public function whereEndsWith(string $field, mixed $value): static
      */
     public function whereContains(string $field, mixed $value): static
     {
-		return $this->where("CONTAINS($field, '{$value}'");
-	}
+        return $this->where("CONTAINS($field, '{$value}'");
+    }
 
     /**
      * @param string $field
@@ -119,11 +119,11 @@ public function whereContains(string $field, mixed $value): static
      * @return $this|QueryBuilder
      */
     public function whereIn(string $field, array $values): QueryBuilder|static
-	{
-	    if (empty($values)) return $this;
+    {
+        if (empty($values)) return $this;
 
-		return $this->where("$field IN('".implode("', '", $values)."')");
-	}
+        return $this->where("$field IN('" . implode("', '", $values) . "')");
+    }
 
     /**
      * @param string $field
@@ -134,7 +134,7 @@ public function whereNotIn(string $field, array $values): QueryBuilder|static
     {
         if (empty($values)) return $this;
 
-        return $this->where("$field NOT IN('".implode("', '", $values)."')");
+        return $this->where("$field NOT IN('" . implode("', '", $values) . "')");
     }
 
     /**
@@ -171,6 +171,7 @@ public function params(array $params): static
      * @param boolean $isCrossPartition
      * @return $this
      */
+
     public function findAll(bool $isCrossPartition = false): static
     {
         $this->response = null;
@@ -229,10 +230,10 @@ public function setPartitionKey($fieldName): static
      * @return null
      */
     public function getPartitionKey()
-	{
-		return $this->partitionKey;
+    {
+        return $this->partitionKey;
     }
-    
+
     /**
      * @param $fieldName
      * @return $this
@@ -248,9 +249,9 @@ public function setPartitionValue($fieldName): static
      * @return null
      */
     public function getPartitionValue()
-	{
-		return $this->partitionValue;
-	}
+    {
+        return $this->partitionValue;
+    }
 
     /**
      * @param string $string
@@ -267,8 +268,8 @@ public function setQueryString(string $string): static
      */
     public function getQueryString(): ?string
     {
-		return $this->queryString;
-	}
+        return $this->queryString;
+    }
 
     /**
      * @param string $partitionKey
@@ -285,6 +286,106 @@ public function isNested(string $partitionKey): bool|static
         return str_contains($partitionKey, '/');
     }
 
+    /**
+     * @param string $path Instances of / in property names within $path must be escaped as /~1
+     * @param mixed $value
+     * @return array Fully formed ADD patch operation element
+     */
+
+    public function getPatchOpAdd(string $path, mixed $value): array
+    {
+
+        $op = [
+            'op' => 'add',
+            'path' => str_replace('~', '~0', $path),
+            'value' => $value
+        ];
+        return $op;
+    }
+
+    /**
+     * @param string $path Instances of / in property names within $path must be escaped as /~1
+     * @param mixed $value
+     * @return array Fully formed SET patch operation element
+     */
+
+    public function getPatchOpSet(string $path, mixed $value): array
+    {
+
+        $op = [
+            'op' => 'set',
+            'path' => str_replace('~', '~0', $path),
+            'value' => $value
+        ];
+        return $op;
+    }
+
+    /**
+     * @param string $path Instances of / in property names within $path must be escaped as /~1
+     * @param mixed $value
+     * @return array Fully formed REPLACE patch operation element
+     */
+
+    public function getPatchOpReplace(string $path, mixed $value): array
+    {
+
+        $op = [
+            'op' => 'replace',
+            'path' => str_replace('~', '~0', $path),
+            'value' => $value
+        ];
+        return $op;
+    }
+
+   /**
+     * @param string $path Instances of / in property names within $path must be escaped as /~1
+     * @return array Fully formed REMOVE patch operation element
+     */
+
+    public function getPatchOpRemove(string $path): array
+    {
+
+        $op = [
+            'op' => 'remove',
+            'path' => str_replace('~', '~0', $path),
+        ];
+        return $op;
+    }
+
+    /**
+     * @param string $path Instances of / in property names within $path must be escaped as /~1
+     * @param int $value
+     * @return array Fully formed INCR patch operation element
+     */
+
+    public function getPatchOpIncrement(string $path, int $value): array
+    {
+
+        $op = [
+            'op' => 'replace',
+            'path' => str_replace('~', '~0', $path),
+            'value' => $value
+        ];
+        return $op;
+    }
+
+    /**
+     * @param string $fromPath Source property - Instances of / in property names within $path must be escaped as /~1
+     * @param string $toPath Destination property - Instances of / in property names within $path must be escaped as /~1
+     * @return array Fully formed MOVE patch operation element
+     */
+
+    public function getPatchOpMove(string $fromPath, string $toPath): array
+    {
+
+        $op = [
+            'op' => 'replace',
+            'from' => str_replace('~', '~0', $fromPath),
+            'path' => str_replace('~', '~0', $toPath),
+        ];
+        return $op;
+    }
+
     /**
      * Find and set the partition value
      * 
@@ -305,7 +406,7 @@ public function findPartitionValue(object $document, bool $toString = false)
             # formatted as a cosmos query string
             if ($toString) {
 
-                foreach( $properties as $p ) {
+                foreach ($properties as $p) {
                     $this->setQueryString($p);
                 }
 
@@ -315,7 +416,7 @@ public function findPartitionValue(object $document, bool $toString = false)
             # and find the value of the property key
             else {
 
-                foreach( $properties as $p ) {
+                foreach ($properties as $p) {
                     $document = (object)$document->{$p};
                 }
 
@@ -354,13 +455,49 @@ public function save($document)
         return $resultObj->_rid ?? null;
     }
 
+    /**
+     * @param $rid_doc
+     * @param $patchOps Array Array of operations, max 10 per request	
+     * @return string|null
+     * @throws \Exception
+     */
+    public function patch(string $rid_doc, array $patchOps)
+    {
+        if (count($patchOps) > 10) {
+            //Throw an equivalent HTTP error rather than waste a request to have the API return the same
+            throw new \Exception("400 : PATCH supports maximum of 10 operations per request");
+        };
+
+        $partitionValue = $this->partitionKey != null ? $this->partitionValue : null;
+        //Conditional patch is possible - check if QueryBuilder was set up with a condition and append
+        $condition = ($this->where) ? 'from ' . $this->from . ' where ' . $this->where : '';
+
+        $updates = [];
+        if ($condition) {
+            $updates['condition'] = $condition;
+        };
+        $updates['operations'] = $patchOps;
+        $json = json_encode($updates);
+
+        $result = $this->collection->patchDocument($rid_doc, $json, $partitionValue, $this->triggersAsHeaders("patch"));
+        $resultObj = json_decode($result);
+
+        if (isset($resultObj->code) && isset($resultObj->message)) {
+            throw new \Exception("$resultObj->code : $resultObj->message");
+        }
+
+        return $resultObj->_rid ?? null;
+    }
+
+
+
     /* delete */
 
     /**
      * @param boolean $isCrossPartition
      * @return boolean
      */
-    public function delete(bool $isCrossPartition = false) :bool
+    public function delete(bool $isCrossPartition = false): bool
     {
         $this->response = null;
 
@@ -382,7 +519,7 @@ public function delete(bool $isCrossPartition = false) :bool
      * @param boolean $isCrossPartition
      * @return boolean
      */
-    public function deleteAll(bool $isCrossPartition = false) :bool
+    public function deleteAll(bool $isCrossPartition = false): bool
     {
         $this->response = null;
 
@@ -410,7 +547,7 @@ public function deleteAll(bool $isCrossPartition = false) :bool
     public function addTrigger(string $operation, string $type, string $id): self
     {
         $operation = \strtolower($operation);
-        if (!\in_array($operation, ["all", "create", "delete", "replace"]))
+        if (!\in_array($operation, ["all", "create", "delete", "replace", "patch"]))
             throw new \Exception("Trigger: Invalid operation \"{$operation}\"");
 
         $type = \strtolower($type);
@@ -432,7 +569,7 @@ protected function triggersAsHeaders(string $operation): array
     {
         $headers = [];
 
-        // Add headers for the current operation type at $operation (create|delete!replace)
+        // Add headers for the current operation type at $operation (create|delete!replace|patch)
         if (isset($this->triggers[$operation])) {
             foreach ($this->triggers[$operation] as $name => $ids) {
                 $ids = \is_array($ids) ? $ids : [$ids];
@@ -520,7 +657,7 @@ public function toArray($arrayKey = null): array|null
         $results = (array)$this->toObject($arrayKey);
 
         if ($this->multipleResults && is_array($results)) {
-            array_walk($results, function(&$value) {
+            array_walk($results, function (&$value) {
                 $value = (array)$value;
             });
         }
@@ -533,9 +670,8 @@ public function toArray($arrayKey = null): array|null
      * @param null $default
      * @return mixed
      */
-    public function getValue($fieldName, $default = null)
+    public function getValue($fieldName, $default = null) 
     {
         return ($this->toObject())->{$fieldName} ?? $default;
     }
-    
 }