diff --git a/apps/builder/src/components/inputs/RadioButtons.tsx b/apps/builder/src/components/inputs/RadioButtons.tsx
index 9453f43cca..30afd23781 100644
--- a/apps/builder/src/components/inputs/RadioButtons.tsx
+++ b/apps/builder/src/components/inputs/RadioButtons.tsx
@@ -14,6 +14,7 @@ type Props<T extends string> = {
   value?: T
   defaultValue?: T
   direction?: 'row' | 'column'
+  size?: 'md' | 'sm'
   onSelect: (newValue: T) => void
 }
 export const RadioButtons = <T extends string>({
@@ -21,6 +22,7 @@ export const RadioButtons = <T extends string>({
   value,
   defaultValue,
   direction = 'row',
+  size = 'md',
   onSelect,
 }: Props<T>) => {
   const { getRootProps, getRadioProps } = useRadioGroup({
@@ -36,7 +38,7 @@ export const RadioButtons = <T extends string>({
       {options.map((item) => {
         const radio = getRadioProps({ value: parseValue(item) })
         return (
-          <RadioCard key={parseValue(item)} {...radio}>
+          <RadioCard key={parseValue(item)} {...radio} size={size}>
             {parseLabel(item)}
           </RadioCard>
         )
@@ -45,7 +47,9 @@ export const RadioButtons = <T extends string>({
   )
 }
 
-export const RadioCard = (props: UseRadioProps & { children: ReactNode }) => {
+export const RadioCard = (
+  props: UseRadioProps & { children: ReactNode; size?: 'md' | 'sm' }
+) => {
   const { getInputProps, getCheckboxProps } = useRadio(props)
 
   const input = getInputProps()
@@ -68,10 +72,11 @@ export const RadioCard = (props: UseRadioProps & { children: ReactNode }) => {
         _active={{
           bgColor: useColorModeValue('gray.200', 'gray.600'),
         }}
-        px={5}
-        py={2}
+        px={props.size === 'sm' ? 3 : 5}
+        py={props.size === 'sm' ? 1 : 2}
         transition="background-color 150ms, color 150ms, border 150ms"
         justifyContent="center"
+        fontSize={props.size === 'sm' ? 'sm' : undefined}
       >
         {props.children}
       </Flex>
diff --git a/apps/builder/src/features/blocks/logic/setVariable/components/SetVariableSettings.tsx b/apps/builder/src/features/blocks/logic/setVariable/components/SetVariableSettings.tsx
index 7687cc3e8b..4010cac4a5 100644
--- a/apps/builder/src/features/blocks/logic/setVariable/components/SetVariableSettings.tsx
+++ b/apps/builder/src/features/blocks/logic/setVariable/components/SetVariableSettings.tsx
@@ -15,6 +15,7 @@ import { TextInput, Textarea } from '@/components/inputs'
 import { isDefined } from '@typebot.io/lib'
 import { useTypebot } from '@/features/editor/providers/TypebotProvider'
 import { isInputBlock } from '@typebot.io/schemas/helpers'
+import { RadioButtons } from '@/components/inputs/RadioButtons'
 
 type Props = {
   options: SetVariableBlock['options']
@@ -172,6 +173,14 @@ const SetVariableValue = ({
     })
   }
 
+  const updateIsCode = (radio: 'Text' | 'Code') => {
+    if (options?.type && options.type !== 'Custom') return
+    onOptionsChange({
+      ...options,
+      isCode: radio === 'Code',
+    })
+  }
+
   switch (options?.type) {
     case 'Custom':
     case undefined:
@@ -186,11 +195,31 @@ const SetVariableValue = ({
             }
             onCheckChange={updateClientExecution}
           />
-          <CodeEditor
-            defaultValue={options?.expressionToEvaluate ?? ''}
-            onChange={updateExpression}
-            lang="javascript"
-          />
+          <Stack>
+            <RadioButtons
+              size="sm"
+              options={['Text', 'Code']}
+              defaultValue={
+                options?.isCode ?? defaultSetVariableOptions.isCode
+                  ? 'Code'
+                  : 'Text'
+              }
+              onSelect={updateIsCode}
+            />
+            {options?.isCode === undefined || options.isCode ? (
+              <CodeEditor
+                defaultValue={options?.expressionToEvaluate ?? ''}
+                onChange={updateExpression}
+                lang="javascript"
+              />
+            ) : (
+              <Textarea
+                defaultValue={options?.expressionToEvaluate ?? ''}
+                onChange={updateExpression}
+                width="full"
+              />
+            )}
+          </Stack>
         </>
       )
     case 'Map item with same index': {
diff --git a/apps/docs/openapi/viewer.json b/apps/docs/openapi/viewer.json
index b332e66bf1..2fe6749413 100644
--- a/apps/docs/openapi/viewer.json
+++ b/apps/docs/openapi/viewer.json
@@ -12396,6 +12396,9 @@
               "content": {
                 "type": "string"
               },
+              "isCode": {
+                "type": "boolean"
+              },
               "args": {
                 "type": "array",
                 "items": {
@@ -12509,6 +12512,9 @@
                   "content": {
                     "type": "string"
                   },
+                  "isCode": {
+                    "type": "boolean"
+                  },
                   "args": {
                     "type": "array",
                     "items": {
@@ -12677,6 +12683,9 @@
                   "content": {
                     "type": "string"
                   },
+                  "isCode": {
+                    "type": "boolean"
+                  },
                   "args": {
                     "type": "array",
                     "items": {
diff --git a/packages/bot-engine/blocks/logic/setVariable/executeSetVariable.ts b/packages/bot-engine/blocks/logic/setVariable/executeSetVariable.ts
index 18cb6808f6..d03f97494b 100644
--- a/packages/bot-engine/blocks/logic/setVariable/executeSetVariable.ts
+++ b/packages/bot-engine/blocks/logic/setVariable/executeSetVariable.ts
@@ -17,8 +17,12 @@ import {
   parseTranscriptMessageText,
 } from '@typebot.io/logic/computeResultTranscript'
 import prisma from '@typebot.io/lib/prisma'
-import { sessionOnlySetVariableOptions } from '@typebot.io/schemas/features/blocks/logic/setVariable/constants'
+import {
+  defaultSetVariableOptions,
+  sessionOnlySetVariableOptions,
+} from '@typebot.io/schemas/features/blocks/logic/setVariable/constants'
 import { createCodeRunner } from '@typebot.io/variables/codeRunners'
+import { stringifyError } from '@typebot.io/lib/stringifyError'
 
 export const executeSetVariable = async (
   state: SessionState,
@@ -34,6 +38,9 @@ export const executeSetVariable = async (
     block.id
   )
   const isCustomValue = !block.options.type || block.options.type === 'Custom'
+  const isCode =
+    (!block.options.type || block.options.type === 'Custom') &&
+    (block.options.isCode ?? defaultSetVariableOptions.isCode)
   if (
     expressionToEvaluate &&
     !state.whatsApp &&
@@ -50,21 +57,25 @@ export const executeSetVariable = async (
         {
           type: 'setVariable',
           setVariable: {
-            scriptToExecute,
+            scriptToExecute: {
+              ...scriptToExecute,
+              isCode,
+            },
           },
           expectsDedicatedReply: true,
         },
       ],
     }
   }
-  const evaluatedExpression = expressionToEvaluate
-    ? evaluateSetVariableExpression(variables)(expressionToEvaluate)
-    : undefined
+  const { value, error } =
+    (expressionToEvaluate
+      ? evaluateSetVariableExpression(variables)(expressionToEvaluate)
+      : undefined) ?? {}
   const existingVariable = variables.find(byId(block.options.variableId))
   if (!existingVariable) return { outgoingEdgeId: block.outgoingEdgeId }
   const newVariable = {
     ...existingVariable,
-    value: evaluatedExpression,
+    value,
   }
   const { newSetVariableHistory, updatedState } = updateVariablesInSession({
     state,
@@ -85,24 +96,40 @@ export const executeSetVariable = async (
     outgoingEdgeId: block.outgoingEdgeId,
     newSessionState: updatedState,
     newSetVariableHistory,
+    logs:
+      error && isCode
+        ? [
+            {
+              status: 'error',
+              description: 'Error evaluating Set variable code',
+              details: error,
+            },
+          ]
+        : undefined,
   }
 }
 
 const evaluateSetVariableExpression =
   (variables: Variable[]) =>
-  (str: string): unknown => {
+  (str: string): { value: unknown; error?: string } => {
     const isSingleVariable =
       str.startsWith('{{') && str.endsWith('}}') && str.split('{{').length === 2
-    if (isSingleVariable) return parseVariables(variables)(str)
+    if (isSingleVariable) return { value: parseVariables(variables)(str) }
     // To avoid octal number evaluation
-    if (!isNaN(str as unknown as number) && /0[^.].+/.test(str)) return str
+    if (!isNaN(str as unknown as number) && /0[^.].+/.test(str))
+      return { value: str }
     try {
       const body = parseVariables(variables, { fieldToParse: 'id' })(str)
-      return createCodeRunner({ variables })(
-        body.includes('return ') ? body : `return ${body}`
-      )
+      return {
+        value: createCodeRunner({ variables })(
+          body.includes('return ') ? body : `return ${body}`
+        ),
+      }
     } catch (err) {
-      return parseVariables(variables)(str)
+      return {
+        value: parseVariables(variables)(str),
+        error: stringifyError(err),
+      }
     }
   }
 
diff --git a/packages/embeds/js/package.json b/packages/embeds/js/package.json
index 7ecf669d86..b39e3f5aa7 100644
--- a/packages/embeds/js/package.json
+++ b/packages/embeds/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@typebot.io/js",
-  "version": "0.2.86",
+  "version": "0.2.87",
   "description": "Javascript library to display typebots on your website",
   "type": "module",
   "main": "dist/index.js",
diff --git a/packages/embeds/js/src/components/ConversationContainer/ConversationContainer.tsx b/packages/embeds/js/src/components/ConversationContainer/ConversationContainer.tsx
index 7b27b9b36b..b3ff5ffb54 100644
--- a/packages/embeds/js/src/components/ConversationContainer/ConversationContainer.tsx
+++ b/packages/embeds/js/src/components/ConversationContainer/ConversationContainer.tsx
@@ -131,18 +131,18 @@ export const ConversationContainer = (props: Props) => {
     )
   })
 
-  const sendMessage = async (
-    message: string | undefined,
-    clientLogs?: ChatLog[]
-  ) => {
-    if (clientLogs) {
-      props.onNewLogs?.(clientLogs)
-      await saveClientLogsQuery({
-        apiHost: props.context.apiHost,
-        sessionId: props.initialChatReply.sessionId,
-        clientLogs,
-      })
-    }
+  const saveLogs = async (clientLogs?: ChatLog[]) => {
+    if (!clientLogs) return
+    props.onNewLogs?.(clientLogs)
+    if (props.context.isPreview) return
+    await saveClientLogsQuery({
+      apiHost: props.context.apiHost,
+      sessionId: props.initialChatReply.sessionId,
+      clientLogs,
+    })
+  }
+
+  const sendMessage = async (message: string | undefined) => {
     setHasError(false)
     const currentInputBlock = [...chatChunks()].pop()?.input
     if (currentInputBlock?.id && props.onAnswer && message)
@@ -288,9 +288,10 @@ export const ConversationContainer = (props: Props) => {
         },
         onMessageStream: streamMessage,
       })
+      if (response && 'logs' in response) saveLogs(response.logs)
       if (response && 'replyToSend' in response) {
         setIsSending(false)
-        sendMessage(response.replyToSend, response.logs)
+        sendMessage(response.replyToSend)
         return
       }
       if (response && 'blockedPopupUrl' in response)
diff --git a/packages/embeds/js/src/features/blocks/logic/script/executeScript.ts b/packages/embeds/js/src/features/blocks/logic/script/executeScript.ts
index e2d3c014ce..f92bbc7604 100644
--- a/packages/embeds/js/src/features/blocks/logic/script/executeScript.ts
+++ b/packages/embeds/js/src/features/blocks/logic/script/executeScript.ts
@@ -1,9 +1,13 @@
-import type { ScriptToExecute } from '@typebot.io/schemas'
+import { stringifyError } from '@typebot.io/lib/stringifyError'
+import type { ChatLog, ScriptToExecute } from '@typebot.io/schemas'
 
 // eslint-disable-next-line @typescript-eslint/no-empty-function
 const AsyncFunction = Object.getPrototypeOf(async function () {}).constructor
 
-export const executeScript = async ({ content, args }: ScriptToExecute) => {
+export const executeScript = async ({
+  content,
+  args,
+}: ScriptToExecute): Promise<void | { logs: ChatLog[] }> => {
   try {
     const func = AsyncFunction(
       ...args.map((arg) => arg.id),
@@ -11,7 +15,15 @@ export const executeScript = async ({ content, args }: ScriptToExecute) => {
     )
     await func(...args.map((arg) => arg.value))
   } catch (err) {
-    console.warn('Script threw an error:', err)
+    return {
+      logs: [
+        {
+          status: 'error',
+          description: 'Script block failed to execute',
+          details: stringifyError(err),
+        },
+      ],
+    }
   }
 }
 
diff --git a/packages/embeds/js/src/features/blocks/logic/setVariable/executeSetVariable.ts b/packages/embeds/js/src/features/blocks/logic/setVariable/executeSetVariable.ts
index 6147a6123f..dcb6d93a6f 100644
--- a/packages/embeds/js/src/features/blocks/logic/setVariable/executeSetVariable.ts
+++ b/packages/embeds/js/src/features/blocks/logic/setVariable/executeSetVariable.ts
@@ -1,5 +1,6 @@
-import type { ScriptToExecute } from '@typebot.io/schemas'
+import type { ChatLog, ScriptToExecute } from '@typebot.io/schemas'
 import { safeStringify } from '@typebot.io/lib/safeStringify'
+import { stringifyError } from '@typebot.io/lib/stringifyError'
 
 // eslint-disable-next-line @typescript-eslint/no-empty-function
 const AsyncFunction = Object.getPrototypeOf(async function () {}).constructor
@@ -7,7 +8,11 @@ const AsyncFunction = Object.getPrototypeOf(async function () {}).constructor
 export const executeSetVariable = async ({
   content,
   args,
-}: ScriptToExecute): Promise<{ replyToSend: string | undefined }> => {
+  isCode,
+}: ScriptToExecute): Promise<{
+  replyToSend: string | undefined
+  logs?: ChatLog[]
+}> => {
   try {
     // To avoid octal number evaluation
     if (!isNaN(content as unknown as number) && /0[^.].+/.test(content))
@@ -26,6 +31,15 @@ export const executeSetVariable = async ({
     console.error(err)
     return {
       replyToSend: safeStringify(content) ?? undefined,
+      logs: isCode
+        ? [
+            {
+              status: 'error',
+              description: 'Failed to execute Set Variable code',
+              details: stringifyError(err),
+            },
+          ]
+        : undefined,
     }
   }
 }
diff --git a/packages/embeds/js/src/utils/executeClientSideActions.ts b/packages/embeds/js/src/utils/executeClientSideActions.ts
index 0512337300..c7eb0d2545 100644
--- a/packages/embeds/js/src/utils/executeClientSideActions.ts
+++ b/packages/embeds/js/src/utils/executeClientSideActions.ts
@@ -27,6 +27,7 @@ export const executeClientSideAction = async ({
 }: Props): Promise<
   | { blockedPopupUrl: string }
   | { replyToSend: string | undefined; logs?: ChatLog[] }
+  | { logs: ChatLog[] }
   | void
 > => {
   if ('chatwoot' in clientSideAction) {
diff --git a/packages/embeds/nextjs/package.json b/packages/embeds/nextjs/package.json
index f7537bdeff..11ff778ebb 100644
--- a/packages/embeds/nextjs/package.json
+++ b/packages/embeds/nextjs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@typebot.io/nextjs",
-  "version": "0.2.86",
+  "version": "0.2.87",
   "description": "Convenient library to display typebots on your Next.js website",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/packages/embeds/react/package.json b/packages/embeds/react/package.json
index 1ff81b3c97..4918ef0645 100644
--- a/packages/embeds/react/package.json
+++ b/packages/embeds/react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@typebot.io/react",
-  "version": "0.2.86",
+  "version": "0.2.87",
   "description": "Convenient library to display typebots on your React app",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/packages/lib/stringifyError.ts b/packages/lib/stringifyError.ts
new file mode 100644
index 0000000000..77770a1d3a
--- /dev/null
+++ b/packages/lib/stringifyError.ts
@@ -0,0 +1,6 @@
+export const stringifyError = (err: unknown): string =>
+  typeof err === 'string'
+    ? err
+    : err instanceof Error
+    ? err.name + ': ' + err.message
+    : JSON.stringify(err)
diff --git a/packages/schemas/features/blocks/logic/setVariable/constants.ts b/packages/schemas/features/blocks/logic/setVariable/constants.ts
index bceb1a0fb5..cbe608c9fb 100644
--- a/packages/schemas/features/blocks/logic/setVariable/constants.ts
+++ b/packages/schemas/features/blocks/logic/setVariable/constants.ts
@@ -26,4 +26,5 @@ export const sessionOnlySetVariableOptions = ['Transcript'] as const
 export const defaultSetVariableOptions = {
   type: 'Custom',
   isExecutedOnClient: false,
+  isCode: false,
 } as const satisfies SetVariableBlock['options']
diff --git a/packages/schemas/features/chat/clientSideAction.ts b/packages/schemas/features/chat/clientSideAction.ts
index 0964816c4e..2e228c596d 100644
--- a/packages/schemas/features/chat/clientSideAction.ts
+++ b/packages/schemas/features/chat/clientSideAction.ts
@@ -21,6 +21,7 @@ export type StartPropsToInject = z.infer<typeof startPropsToInjectSchema>
 
 const scriptToExecuteSchema = z.object({
   content: z.string(),
+  isCode: z.boolean().optional(),
   args: z.array(
     z.object({
       id: z.string(),
diff --git a/packages/variables/executeFunction.ts b/packages/variables/executeFunction.ts
index 5f23fe6500..6f3d746c46 100644
--- a/packages/variables/executeFunction.ts
+++ b/packages/variables/executeFunction.ts
@@ -6,6 +6,7 @@ import { safeStringify } from '@typebot.io/lib/safeStringify'
 import { Variable } from './types'
 import ivm from 'isolated-vm'
 import { parseTransferrableValue } from './codeRunners'
+import { stringifyError } from '@typebot.io/lib/stringifyError'
 
 const defaultTimeout = 10 * 1000
 
@@ -74,7 +75,6 @@ export const executeFunction = async ({
 
   try {
     const output = await run(parsedBody)
-    console.log('Output', output)
     return {
       output: safeStringify(output) ?? '',
       newVariables: Object.entries(updatedVariables)
@@ -93,12 +93,7 @@ export const executeFunction = async ({
     console.log('Error while executing script')
     console.error(e)
 
-    const error =
-      typeof e === 'string'
-        ? e
-        : e instanceof Error
-        ? e.message
-        : JSON.stringify(e)
+    const error = stringifyError(e)
 
     return {
       error,