diff --git a/properties_pane/field_level/fieldLevelConfig.json b/properties_pane/field_level/fieldLevelConfig.json
index c71417d..55221d0 100644
--- a/properties_pane/field_level/fieldLevelConfig.json
+++ b/properties_pane/field_level/fieldLevelConfig.json
@@ -711,7 +711,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -1353,7 +1356,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -1956,7 +1962,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -2598,7 +2607,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -2772,7 +2784,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -3352,7 +3367,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -3961,7 +3979,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -4203,7 +4224,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -4784,7 +4808,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -5373,7 +5400,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -5983,7 +6013,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -6226,7 +6259,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -6371,7 +6407,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -6537,7 +6576,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -6702,7 +6744,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -6784,7 +6829,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -6844,7 +6892,10 @@ making sure that you maintain a proper JSON format.
 						"propertyTooltip": "Expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					},
 					{
 						"propertyName": "No inherit",
@@ -7006,7 +7057,10 @@ making sure that you maintain a proper JSON format.
 						"propertyKeyword": "expression",
 						"propertyType": "details",
 						"template": "textarea",
-						"markdown": false
+						"markdown": false,
+						"validation": {
+							"required": true
+						}
 					}
 				]
 			},