add method UpdateDocuments

document.go

@@ -18,6 +18,22 @@ func (i *Index) AddDocuments(docs interface{}) error {
 	return err
 }
 
+func (i *Index) UpdateDocuments(docs interface{}) error {
+	_, err := getIndex(i.Name).UpdateDocuments(docs)
+	if err != nil {
+		logger.Error("update documents", logger.LogData{
+			Source:  "meilisearch.index.UpdateDocuments",
+			Message: err.Error(),
+			Data: logger.Map{
+				"index": i,
+				"docs":  docs,
+			},
+		})
+	}
+
+	return err
+}
+
 func (i *Index) DeleteDocumentsByPrimaryKeys(keys []string) error {
 	_, err := getIndex(i.Name).DeleteDocuments(keys)
 	if err != nil {