diff --git a/properties_pane/field_level/fieldLevelConfig.json b/properties_pane/field_level/fieldLevelConfig.json
index f04ead2..46c1d45 100644
--- a/properties_pane/field_level/fieldLevelConfig.json
+++ b/properties_pane/field_level/fieldLevelConfig.json
@@ -250,7 +250,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			},
 			{
 				"propertyKeyword": "subtype",
@@ -626,7 +678,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			}
 		],
 		"number": [
@@ -954,7 +1058,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			}
 		],
 		"integer": [
@@ -1282,7 +1438,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			}
 		],
 		"boolean": [
@@ -1489,7 +1697,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			}
 		],
 		"null": [
@@ -1650,29 +1910,81 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
-			}
-		],
-		"array": [
-			{
-				"fieldName": "Name",
-				"fieldKeyword": "name",
-				"fieldType": "coupled",
-				"disabledOnCondition": [
-					{
-						"key": "subtype",
-						"value": "anyParameter"
-					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			},
 			{
-				"fieldName": "Technical name",
-				"fieldKeyword": "code",
-				"fieldType": "coupled",
-				"disabledOnCondition": [
-					{
-						"key": "subtype",
-						"value": "anyParameter"
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			}
+		],
+		"array": [
+			{
+				"fieldName": "Name",
+				"fieldKeyword": "name",
+				"fieldType": "coupled",
+				"disabledOnCondition": [
+					{
+						"key": "subtype",
+						"value": "anyParameter"
+					}
+				]
+			},
+			{
+				"fieldName": "Technical name",
+				"fieldKeyword": "code",
+				"fieldType": "coupled",
+				"disabledOnCondition": [
+					{
+						"key": "subtype",
+						"value": "anyParameter"
 					}
 				]
 			},
@@ -1955,8 +2267,74 @@ making sure that you maintain a proper JSON format.
 					}
 				],
 				"dependency": {
-					"key": "subtype",
-					"value": "schema"
+					"type": "and",
+					"values": [
+						{
+							"key": "subtype",
+							"value": "schema"
+						},
+						{
+							"type": "not",
+							"values": [
+								{
+									"key": "refType",
+									"value": "polyglot"
+								},
+								{
+									"key": "refType",
+									"value": "external"
+								}
+							]
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "and",
+					"values": [
+						{
+							"key": "subtype",
+							"value": "schema"
+						},
+						{
+							"type": "or",
+							"values": [
+								{
+									"key": "refType",
+									"value": "polyglot"
+								},
+								{
+									"key": "refType",
+									"value": "external"
+								}
+							]
+						}
+					]
 				}
 			}
 		],
@@ -2396,8 +2774,74 @@ making sure that you maintain a proper JSON format.
 					}
 				],
 				"dependency": {
-					"key": "subtype",
-					"value": "schema"
+					"type": "and",
+					"values": [
+						{
+							"key": "subtype",
+							"value": "schema"
+						},
+						{
+							"type": "not",
+							"values": [
+								{
+									"key": "refType",
+									"value": "polyglot"
+								},
+								{
+									"key": "refType",
+									"value": "external"
+								}
+							]
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "and",
+					"values": [
+						{
+							"key": "subtype",
+							"value": "schema"
+						},
+						{
+							"type": "or",
+							"values": [
+								{
+									"key": "refType",
+									"value": "polyglot"
+								},
+								{
+									"key": "refType",
+									"value": "external"
+								}
+							]
+						}
+					]
 				}
 			},
 			"comments",
@@ -2462,7 +2906,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			},
 			{
 				"propertyKeyword": "subtype",
@@ -2541,37 +3037,89 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			},
 			{
-				"propertyKeyword": "subtype",
-				"hidden": true
-			}
-		],
-		"media": [
-			{
-				"fieldName": "Name",
-				"fieldKeyword": "name",
-				"fieldType": "select-editable",
-				"options": [
-					"application/json",
-					"application/xml",
-					"text/plain",
-					"text/html",
-					"text/xml",
-					"text/markdown",
-					"application/EDI-X12",
-					"application/EDIFACT",
-					"application/atom+xml",
-					"application/font-woff",
-					"application/gzip",
-					"application/javascript",
-					"application/msword",
-					"application/ogg",
-					"application/pdf",
-					"application/postscript",
-					"application/soap+xml",
-					"application/vnd.google-earth.kml+xml",
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyKeyword": "subtype",
+				"hidden": true
+			}
+		],
+		"media": [
+			{
+				"fieldName": "Name",
+				"fieldKeyword": "name",
+				"fieldType": "select-editable",
+				"options": [
+					"application/json",
+					"application/xml",
+					"text/plain",
+					"text/html",
+					"text/xml",
+					"text/markdown",
+					"application/EDI-X12",
+					"application/EDIFACT",
+					"application/atom+xml",
+					"application/font-woff",
+					"application/gzip",
+					"application/javascript",
+					"application/msword",
+					"application/ogg",
+					"application/pdf",
+					"application/postscript",
+					"application/soap+xml",
+					"application/vnd.google-earth.kml+xml",
 					"application/vnd.ms-excel",
 					"application/vnd.ms-powerpoint",
 					"application/x-bittorrent",
@@ -2685,7 +3233,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			},
 			{
 				"propertyKeyword": "subtype",
@@ -2756,7 +3356,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			},
 			{
 				"propertyKeyword": "subtype",
@@ -2814,7 +3466,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			},
 			{
 				"propertyKeyword": "subtype",
@@ -2895,7 +3599,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			},
 			{
 				"propertyKeyword": "subtype",
@@ -3356,12 +4112,64 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			},
 			{
-				"propertyKeyword": "subtype",
-				"hidden": true
-			}
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyKeyword": "subtype",
+				"hidden": true
+			}
 		],
 		"callback": [
 			{
@@ -3424,7 +4232,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			}
 		],
 		"link": [
@@ -3587,7 +4447,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			}
 		],
 		"expression": [
@@ -3698,7 +4610,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			},
 			{
 				"propertyKeyword": "subtype",
@@ -3780,7 +4744,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			},
 			{
 				"propertyKeyword": "subtype",
@@ -3862,7 +4878,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			},
 			{
 				"propertyKeyword": "subtype",
@@ -3944,7 +5012,59 @@ making sure that you maintain a proper JSON format.
 						"template": "textarea",
 						"markdown": false
 					}
-				]
+				],
+				"dependency": {
+					"type": "not",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
+			},
+			{
+				"propertyName": "extensions",
+				"propertyType": "group",
+				"propertyKeyword": "scopesExtensions",
+				"enableForReference": true,
+				"shouldValidate": true,
+				"propertyTooltip": "",
+				"structure": [
+					{
+						"propertyName": "pattern",
+						"propertyKeyword": "extensionPattern",
+						"shouldValidate": true,
+						"propertyType": "text",
+						"regex": "^x-"
+					},
+					{
+						"propertyName": "value",
+						"propertyKeyword": "extensionValue",
+						"propertyValidate": false,
+						"propertyTooltip": "Popup for multi-line text entry",
+						"propertyType": "details",
+						"template": "textarea",
+						"markdown": false
+					}
+				],
+				"dependency": {
+					"type": "or",
+					"values": [
+						{
+							"key": "refType",
+							"value": "polyglot"
+						},
+						{
+							"key": "refType",
+							"value": "external"
+						}
+					]
+				}
 			},
 			{
 				"propertyKeyword": "subtype",
diff --git a/reverse_engineering/helpers/dataHelper.js b/reverse_engineering/helpers/dataHelper.js
index 6c4730c..619bb46 100644
--- a/reverse_engineering/helpers/dataHelper.js
+++ b/reverse_engineering/helpers/dataHelper.js
@@ -26,6 +26,10 @@ const getExtensions = schema => {
 
 const getExtensionsObject = (data, keyword = 'scopesExtensions') => {
 	const extensions = getExtensions(data);
+	if (extensions.length === 0) {
+		return {};
+	}
+
 	return { [keyword]: extensions };
 };
 
@@ -73,13 +77,14 @@ const getServersData = servers => {
 		}
 
 		const variables = server.variables ? getServersVariables(server.variables) : [];
+		const extensions = getExtensions(server);
 		return [
 			...accum,
 			{
 				serverURL: server.url,
 				serverDescription: server.description,
 				serverVariables: variables,
-				scopesExtensions: getExtensions(server),
+				...(extensions.length > 0 && { scopesExtensions: extensions }),
 			},
 		];
 	}, []);
@@ -88,12 +93,13 @@ const getServersData = servers => {
 const getServersVariables = variables => {
 	return Object.keys(variables).map(variable => {
 		const variableData = variables[variable];
+		const extensions = getExtensions(variables);
 		return {
 			serverVariableName: variable,
 			serverVariableEnum: (variableData.enum || []).map(enumVal => ({ serverVariableEnumValue: enumVal })),
 			serverVariableDefault: variableData.default,
 			serverVariableDescription: variableData.description,
-			scopesExtensions: getExtensions(variables),
+			...(extensions.length > 0 && { scopesExtensions: extensions }),
 		};
 	}, []);
 };
@@ -624,7 +630,7 @@ const handleSchemaExtensions = schema => {
 	const mappedExtensionsObject = getExtensionsObject(schema);
 	if (
 		!Array.isArray(mappedExtensionsObject.scopesExtensions) ||
-		mappedExtensionsObject.scopesExtensions.length === 0
+		mappedExtensionsObject.scopesExtensions?.length === 0
 	) {
 		return schema;
 	}