diff --git a/Tools/Create-Azure-Sentinel-Solution/V3/createSolutionV3.ps1 b/Tools/Create-Azure-Sentinel-Solution/V3/createSolutionV3.ps1
index 96b087290b..3312e89b4d 100644
--- a/Tools/Create-Azure-Sentinel-Solution/V3/createSolutionV3.ps1
+++ b/Tools/Create-Azure-Sentinel-Solution/V3/createSolutionV3.ps1
@@ -67,8 +67,11 @@ Write-Host "SolutionBasePath is $solutionBasePath, Solution Name $solutionName"
 
 $isPipelineRun = $false
 
-. "$repositoryBasePath/Tools/Create-Azure-Sentinel-Solution/common/commonFunctions.ps1" # load common functions
-. "$repositoryBasePath.script/package-automation/catelogAPI.ps1"
+$commonFunctionsFilePath = $repositoryBasePath + "Tools/Create-Azure-Sentinel-Solution/common/commonFunctions.ps1"
+$catelogAPIFilePath = $repositoryBasePath + ".script/package-automation/catelogAPI.ps1"
+
+. $commonFunctionsFilePath # load common functions
+. $catelogAPIFilePath
 
 try {
     foreach ($inputFile in $(Get-ChildItem -Path "$solutionFolderBasePath\$dataFolderName\$dataFileName")) {
@@ -250,6 +253,9 @@ try {
 
         GeneratePackage -solutionName $solutionName -contentToImport $contentToImport -calculatedBuildPipelinePackageVersion $contentToImport.Version;
         RunArmTtkOnPackage -solutionName $solutionName -isPipelineRun $false;
+
+        # check if mainTemplate and createUiDefinition json files are valid or not
+        CheckJsonIsValid($solutionFolderBasePath)
     }
 }
 catch {
diff --git a/Tools/Create-Azure-Sentinel-Solution/common/commonFunctions.ps1 b/Tools/Create-Azure-Sentinel-Solution/common/commonFunctions.ps1
index bb7e6f10fd..a9338037cf 100644
--- a/Tools/Create-Azure-Sentinel-Solution/common/commonFunctions.ps1
+++ b/Tools/Create-Azure-Sentinel-Solution/common/commonFunctions.ps1
@@ -62,10 +62,128 @@ function handleEmptyInstructionProperties ($inputObj) {
     $outputObj
 }
 
-function removePropertiesRecursively ($resourceObj, $isWorkbook = $false) {
+function addBlankVariables($resourceObj)
+{
+    $resourceObj.$key = "[variables('blanks')]";
+    if (!$global:baseMainTemplate.variables.blanks) {
+        $global:baseMainTemplate.variables | Add-Member -NotePropertyName "blanks" -NotePropertyValue "[replace('b', 'b', '')]"
+    }
+}
+
+function addEmptyArrayVariables($resourceObj)
+{
+    $resourceObj.$key = "[variables('TemplateEmptyArray')]";
+    if (!$global:baseMainTemplate.variables.TemplateEmptyArray) {
+        $global:baseMainTemplate.variables | Add-Member -NotePropertyName "TemplateEmptyArray" -NotePropertyValue "[json('[]')]"
+    }
+}
+
+function addEmptyObjectVariables($resourceObj)
+{
+    $resourceObj.$key = "[variables('TemplateEmptyObject')]";
+    if (!$global:baseMainTemplate.variables.TemplateEmptyObject) {
+        $global:baseMainTemplate.variables | Add-Member -NotePropertyName "TemplateEmptyObject" -NotePropertyValue "[json('{}')]"
+    }
+}
+
+function addNullVariables($resourceObj)
+{
+    $resourceObj.$key = "[variables('TemplateNullVariable')]";
+    if (!$global:baseMainTemplate.variables.TemplateNullVariable) {
+        $global:baseMainTemplate.variables | Add-Member -NotePropertyName "TemplateNullVariable" -NotePropertyValue "null"
+    }
+}
+
+function IsSkipActionInputs($resourceObj, $key, $val, $isAction = $false)
+{
+    if ($isAction -and $key -eq "inputs" -and 
+        $val -is [System.Management.Automation.PSCustomObject] -and 
+        -not "$val")
+    {
+        # when action has "inputs": {}
+        addEmptyObjectVariables $resourceObj
+        return $true
+    }
+
+    if ($isAction -and $key -eq "inputs" -and 
+        $null -ne $val -and 
+        $val -is [System.Array] -and 
+        $val.count -eq 0)
+    {
+        # when action has "inputs": []
+        addEmptyArrayVariables $resourceObj
+        return $true
+    }
+
+    if ($isAction -and $key -eq "inputs" -and 
+        $null -eq $val)
+    {
+        # when action has "inputs": null
+        addNullVariables $resourceObj
+        return $true
+    }
+    
+    return $false
+}
+
+function IsSkipActionInputsValue($resourceObj, $key, $val, $isAction = $false, $isInputs = $false)
+{
+    if ($isAction -and $isInputs -and 
+        $key -eq "value" -and 
+        $val -is [System.Management.Automation.PSCustomObject] -and 
+        -not "$val")
+    {
+        # when action has inputs--> "value": {}
+        addEmptyObjectVariables $resourceObj
+        continue
+    }
+
+    if ($isAction -and $isInputs -and 
+        $key -eq "value" -and 
+        $null -ne $val -and 
+        $val -is [System.Array] -and 
+        $val.count -eq 0)
+    {
+        # when action has inputs--> "value": []
+        addEmptyArrayVariables $resourceObj
+        continue
+    }
+
+    if ($isAction -and $isInputs -and 
+        $key -eq "value" -and 
+        $null -eq $val)
+    {
+        # when action has inputs--> "value": null
+        addNullVariables $resourceObj
+        continue
+    }
+}
+
+function removePropertiesRecursively ($resourceObj, $isWorkbook = $false, $isAction = $false, $isInputs = $false) {
     foreach ($prop in $resourceObj.PsObject.Properties) {
         $key = $prop.Name
         $val = $prop.Value
+
+        if ($key -eq 'actions') {
+            $isAction = $true
+        }
+
+        if ($key -eq 'inputs') {
+            $isInputs = $true
+        }
+
+        # if actions --> inputs has either {} or [] or null then we skip later code
+        if (IsSkipActionInputs $resourceObj $key $val $isAction)
+        {
+            continue
+        }
+
+        # if actions --> inputs --> value has either {} or [] or null then we skip later code
+        if (IsSkipActionInputsValue $resourceObj $key $val $isAction $isInputs)
+        {
+            continue
+        }
+
         if ($null -eq $val) {
             if ($isWorkbook)
             {
@@ -74,9 +192,15 @@ function removePropertiesRecursively ($resourceObj, $isWorkbook = $false) {
             }
             else
             {
-                $resourceObj.$key = "[variables('blanks')]";
-                if (!$global:baseMainTemplate.variables.blanks) {
-                    $global:baseMainTemplate.variables | Add-Member -NotePropertyName "blanks" -NotePropertyValue "[replace('b', 'b', '')]"
+                if ($isAction -and $isInputs)
+                {
+                    continue
+                }
+                else {
+                    $resourceObj.$key = "[variables('blanks')]";
+                    if (!$global:baseMainTemplate.variables.blanks) {
+                        $global:baseMainTemplate.variables | Add-Member -NotePropertyName "blanks" -NotePropertyValue "[replace('b', 'b', '')]"
+                    }
                 }
             }
         }
@@ -98,7 +222,7 @@ function removePropertiesRecursively ($resourceObj, $isWorkbook = $false) {
             else {
                 foreach ($item in $val) {
                     $itemIndex = $val.IndexOf($item)
-                    $resourceObj.$key[$itemIndex] = $(removePropertiesRecursively $val[$itemIndex] $isWorkbook)
+                    $resourceObj.$key[$itemIndex] = $(removePropertiesRecursively $val[$itemIndex] $isWorkbook $isAction $isInputs)
                 }
             }
         }
@@ -108,7 +232,7 @@ function removePropertiesRecursively ($resourceObj, $isWorkbook = $false) {
                     $resourceObj.PsObject.Properties.Remove($key)
                 }
                 else {
-                    $resourceObj.$key = $(removePropertiesRecursively $val $isWorkbook)
+                    $resourceObj.$key = $(removePropertiesRecursively $val $isWorkbook $isAction $isInputs)
                     if ($($resourceObj.$key.PsObject.Properties).Count -eq 0) {
                         $resourceObj.PsObject.Properties.Remove($key)
                     }
@@ -1142,7 +1266,7 @@ function PrepareSolutionMetadata($solutionMetadataRawContent, $contentResourceDe
                                         $playbookData.variables | Add-Member -NotePropertyName "_operationId-$($resourceobj.$key)" -NotePropertyValue "[variables('operationId-$($resourceobj.$key)')]"
                                         $resourceObj.$key = "[variables('_operationId-$($resourceobj.$key)')]"
                                     }
-                                    if($contentToImport.TemplateSpec -and ($resourceObj.$key.StartsWith("[")) -and ($resourceObj.$key -ne "[variables('TemplateEmptyArray')]"))
+                                    if($contentToImport.TemplateSpec -and ($resourceObj.$key.StartsWith("[")) -and ($resourceObj.$key -ne "[variables('TemplateEmptyArray')]") -and $prop.Value -ne "[variables('TemplateEmptyObject')]" -and $prop.Value -ne "[variables('TemplateNullVariable')]")
                                     {
                                         $resourceObj.$key = "[" + $resourceObj.$key;
                                     }
@@ -2740,6 +2864,25 @@ function PrepareSolutionMetadata($solutionMetadataRawContent, $contentResourceDe
         }
     }
 
+    # this function is to check if maintemplate and createUi files in package folder is valid or not
+    function CheckJsonIsValid($solutionFolderBasePath)
+    {
+        [array]$packageFolderFiles=Get-ChildItem "$solutionFolderBasePath\Package\*.json" -Recurse| select -expand fullname
+        Write-Host "************Validating if Package Json files are valid or not***************"
+        foreach ($filePath in $packageFolderFiles)
+        {
+            $isValid = Get-Content $filePath -Raw | Test-Json -ErrorAction SilentlyContinue
+            if ($isValid)
+            {
+                Write-Host "File $filePath is a valid Json file!"
+            }
+            else
+            {
+                Write-Host "File $filePath is Not a valid Json file!"
+            }
+        }
+    }
+
     function GeneratePackage($solutionName, $contentToImport, $calculatedBuildPipelinePackageVersion = '')
     {
         if ($contentToImport.Description) {
diff --git a/Tools/Create-Azure-Sentinel-Solution/pipeline/createSolutionV4.ps1 b/Tools/Create-Azure-Sentinel-Solution/pipeline/createSolutionV4.ps1
index 0df00d1ea4..834f53f282 100644
--- a/Tools/Create-Azure-Sentinel-Solution/pipeline/createSolutionV4.ps1
+++ b/Tools/Create-Azure-Sentinel-Solution/pipeline/createSolutionV4.ps1
@@ -242,6 +242,9 @@ try
 
 		GeneratePackage -solutionName $solutionName -contentToImport $contentToImport -calculatedBuildPipelinePackageVersion $calculatedPackageVersion;
 		Write-Host "Package Generated Successfully!!"
+
+		# check if mainTemplate and createUiDefinition json files are valid or not
+		CheckJsonIsValid($solutionFolderBasePath)
 	}
 }
 catch {