docs/KeyCreateParameters.md in phrase-2.20.0 vs docs/KeyCreateParameters.md in phrase-2.21.0

@@ -18,10 +18,11 @@
 **default_translation_content** | **String** | Creates a translation in the default locale with the specified content | [optional] 
 **xml_space_preserve** | **Boolean** | Indicates whether the key should be exported with \"xml:space=preserve\". Supported by several XML-based formats. | [optional] 
 **original_file** | **String** | Original file attribute. Used in some formats, e.g. XLIFF. | [optional] 
 **localized_format_string** | **String** | NSStringLocalizedFormatKey attribute. Used in .stringsdict format. | [optional] 
 **localized_format_key** | **String** | NSStringLocalizedFormatKey attribute. Used in .stringsdict format. | [optional] 
+**custom_metadata** | **Object** | Custom metadata property name and value pairs to be associated with key. | [optional] 
 
 ## Code Sample
 
 ```ruby
 require 'Phrase'
@@ -32,16 +33,17 @@
                                  plural: null,
                                  name_plural: home.index.headlines,
                                  data_type: number,
                                  tags: awesome-feature,needs-proofreading,
                                  max_characters_allowed: 140,
-                                 screenshot: [B@1ef64e45,
+                                 screenshot: [B@20865ff2,
                                  remove_screenshot: null,
                                  unformatted: null,
                                  default_translation_content: Default translation content,
                                  xml_space_preserve: null,
                                  original_file: null,
                                  localized_format_string: null,
-                                 localized_format_key: null)
+                                 localized_format_key: null,
+                                 custom_metadata: {"fruit":"Apple","vegetable":"Tomato"})
 ```