diff --git a/specification/search/data-plane/Azure.Search/preview/2019-05-06-preview/searchservice.json b/specification/search/data-plane/Azure.Search/preview/2019-05-06-preview/searchservice.json
index c2a69aac29b9..b38d48f31401 100644
--- a/specification/search/data-plane/Azure.Search/preview/2019-05-06-preview/searchservice.json
+++ b/specification/search/data-plane/Azure.Search/preview/2019-05-06-preview/searchservice.json
@@ -7000,6 +7000,11 @@
           "format": "int32",
           "x-nullable": true,
           "description": "A number indicating how many key phrases to return. If absent, all identified key phrases will be returned."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
         }
       },
       "externalDocs": {
@@ -7072,6 +7077,18 @@
           "$ref": "#/definitions/SearchIndexerSkill"
         }
       ],
+      "properties": {
+        "defaultCountryHint": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "A country code to use as a hint to the language detection model if it cannot disambiguate the language."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
+        }
+      },
       "externalDocs": {
         "url": "https://docs.microsoft.com/azure/search/cognitive-search-skill-language-detection"
       },
diff --git a/specification/search/data-plane/Azure.Search/preview/2020-06-30-Preview/searchservice.json b/specification/search/data-plane/Azure.Search/preview/2020-06-30-Preview/searchservice.json
index f30a2da39661..b92738e00a76 100644
--- a/specification/search/data-plane/Azure.Search/preview/2020-06-30-Preview/searchservice.json
+++ b/specification/search/data-plane/Azure.Search/preview/2020-06-30-Preview/searchservice.json
@@ -7501,6 +7501,11 @@
           "format": "int32",
           "x-nullable": true,
           "description": "A number indicating how many key phrases to return. If absent, all identified key phrases will be returned."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
         }
       },
       "externalDocs": {
@@ -7573,6 +7578,18 @@
           "$ref": "#/definitions/SearchIndexerSkill"
         }
       ],
+      "properties": {
+        "defaultCountryHint": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "A country code to use as a hint to the language detection model if it cannot disambiguate the language."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
+        }
+      },
       "externalDocs": {
         "url": "https://docs.microsoft.com/azure/search/cognitive-search-skill-language-detection"
       },
diff --git a/specification/search/data-plane/Azure.Search/preview/2020-06-30/searchservice.json b/specification/search/data-plane/Azure.Search/preview/2020-06-30/searchservice.json
index 901a86858dba..2a83a87ab347 100644
--- a/specification/search/data-plane/Azure.Search/preview/2020-06-30/searchservice.json
+++ b/specification/search/data-plane/Azure.Search/preview/2020-06-30/searchservice.json
@@ -7388,6 +7388,11 @@
           "format": "int32",
           "x-nullable": true,
           "description": "A number indicating how many key phrases to return. If absent, all identified key phrases will be returned."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
         }
       },
       "externalDocs": {
@@ -7460,6 +7465,18 @@
           "$ref": "#/definitions/SearchIndexerSkill"
         }
       ],
+      "properties": {
+        "defaultCountryHint": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "A country code to use as a hint to the language detection model if it cannot disambiguate the language."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
+        }
+      },
       "externalDocs": {
         "url": "https://docs.microsoft.com/azure/search/cognitive-search-skill-language-detection"
       },
diff --git a/specification/search/data-plane/Azure.Search/stable/2019-05-06/searchservice.json b/specification/search/data-plane/Azure.Search/stable/2019-05-06/searchservice.json
index a160c1a6e433..cb8c3c30e842 100644
--- a/specification/search/data-plane/Azure.Search/stable/2019-05-06/searchservice.json
+++ b/specification/search/data-plane/Azure.Search/stable/2019-05-06/searchservice.json
@@ -4993,6 +4993,11 @@
           "format": "int32",
           "x-nullable": true,
           "description": "A number indicating how many key phrases to return. If absent, all identified key phrases will be returned."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
         }
       },
       "externalDocs": {
@@ -5069,6 +5074,18 @@
           "$ref": "#/definitions/Skill"
         }
       ],
+      "properties": {
+        "defaultCountryHint": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "A country code to use as a hint to the language detection model if it cannot disambiguate the language."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
+        }
+      },
       "externalDocs": {
         "url": "https://docs.microsoft.com/azure/search/cognitive-search-skill-language-detection"
       },
diff --git a/specification/search/data-plane/Microsoft.Azure.Search.Service/preview/2017-11-11-preview/searchservice.json b/specification/search/data-plane/Microsoft.Azure.Search.Service/preview/2017-11-11-preview/searchservice.json
index a9d884ab1f76..bc2acafec287 100644
--- a/specification/search/data-plane/Microsoft.Azure.Search.Service/preview/2017-11-11-preview/searchservice.json
+++ b/specification/search/data-plane/Microsoft.Azure.Search.Service/preview/2017-11-11-preview/searchservice.json
@@ -4611,6 +4611,11 @@
           "format": "int32",
           "x-nullable": true,
           "description": "A number indicating how many key phrases to return. If absent, all identified key phrases will be returned."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
         }
       },
       "externalDocs": {
@@ -4687,6 +4692,18 @@
           "$ref": "#/definitions/Skill"
         }
       ],
+      "properties": {
+        "defaultCountryHint": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "A country code to use as a hint to the language detection model if it cannot disambiguate the language."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
+        }
+      },
       "externalDocs": {
         "url": "https://docs.microsoft.com/azure/search/cognitive-search-skill-language-detection"
       },
diff --git a/specification/search/data-plane/Microsoft.Azure.Search.Service/preview/2019-05-06-preview/searchservice.json b/specification/search/data-plane/Microsoft.Azure.Search.Service/preview/2019-05-06-preview/searchservice.json
index f81a0818c296..2ee6c27f9c39 100644
--- a/specification/search/data-plane/Microsoft.Azure.Search.Service/preview/2019-05-06-preview/searchservice.json
+++ b/specification/search/data-plane/Microsoft.Azure.Search.Service/preview/2019-05-06-preview/searchservice.json
@@ -5004,6 +5004,11 @@
           "format": "int32",
           "x-nullable": true,
           "description": "A number indicating how many key phrases to return. If absent, all identified key phrases will be returned."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
         }
       },
       "externalDocs": {
@@ -5080,6 +5085,18 @@
           "$ref": "#/definitions/Skill"
         }
       ],
+      "properties": {
+        "defaultCountryHint": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "A country code to use as a hint to the language detection model if it cannot disambiguate the language."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
+        }
+      },
       "externalDocs": {
         "url": "https://docs.microsoft.com/azure/search/cognitive-search-skill-language-detection"
       },
diff --git a/specification/search/data-plane/Microsoft.Azure.Search.Service/stable/2019-05-06/searchservice.json b/specification/search/data-plane/Microsoft.Azure.Search.Service/stable/2019-05-06/searchservice.json
index cffd68fd895c..e3c65f4dba07 100644
--- a/specification/search/data-plane/Microsoft.Azure.Search.Service/stable/2019-05-06/searchservice.json
+++ b/specification/search/data-plane/Microsoft.Azure.Search.Service/stable/2019-05-06/searchservice.json
@@ -4688,6 +4688,11 @@
           "format": "int32",
           "x-nullable": true,
           "description": "A number indicating how many key phrases to return. If absent, all identified key phrases will be returned."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
         }
       },
       "externalDocs": {
@@ -4764,6 +4769,18 @@
           "$ref": "#/definitions/Skill"
         }
       ],
+      "properties": {
+        "defaultCountryHint": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "A country code to use as a hint to the language detection model if it cannot disambiguate the language."
+        },
+        "modelVersion": {
+          "type": "string",
+          "x-nullable": true,
+          "description": "The version of the model to use when calling the Text Analytics service. It will default to the latest available when not specified. We recommend you do not specify this value unless absolutely necessary."
+        }
+      },
       "externalDocs": {
         "url": "https://docs.microsoft.com/azure/search/cognitive-search-skill-language-detection"
       },