diff --git a/packages/builder/src/builderStore/store/automation/Automation.js b/packages/builder/src/builderStore/store/automation/Automation.js
index 49928c69a9..af0c03cb5a 100644
--- a/packages/builder/src/builderStore/store/automation/Automation.js
+++ b/packages/builder/src/builderStore/store/automation/Automation.js
@@ -14,7 +14,7 @@ export default class Automation {
   }
 
   addTestData(data) {
-    this.automation.testData = data
+    this.automation.testData = { ...this.automation.testData, ...data }
   }
 
   addBlock(block, idx) {
diff --git a/packages/builder/src/components/automation/AutomationBuilder/FlowChart/TestDataModal.svelte b/packages/builder/src/components/automation/AutomationBuilder/FlowChart/TestDataModal.svelte
index 8caba9d351..3c75c9963d 100644
--- a/packages/builder/src/components/automation/AutomationBuilder/FlowChart/TestDataModal.svelte
+++ b/packages/builder/src/components/automation/AutomationBuilder/FlowChart/TestDataModal.svelte
@@ -5,20 +5,24 @@
   import { cloneDeep } from "lodash/fp"
 
   let failedParse = null
+  let trigger = {}
+  let schemaProperties = {}
+
   // clone the trigger so we're not mutating the reference
-  let trigger = cloneDeep(
+  $: trigger = cloneDeep(
     $automationStore.selectedAutomation.automation.definition.trigger
   )
-  let schemaProperties = Object.entries(trigger.schema.outputs.properties || {})
+
+  // get the outputs so we can define the fields
+  $: schemaProperties = Object.entries(trigger?.schema?.outputs?.properties)
 
   if (!$automationStore.selectedAutomation.automation.testData) {
     $automationStore.selectedAutomation.automation.testData = {}
   }
 
-  // get the outputs so we can define the fields
-
   // check to see if there is existing test data in the store
-  $: testData = $automationStore.selectedAutomation.automation.testData
+  $: testData = $automationStore.selectedAutomation.automation.testData || {}
+
   // Check the schema to see if required fields have been entered
   $: isError = !trigger.schema.outputs.required.every(
     required => testData[required]
@@ -41,7 +45,6 @@
   showConfirmButton={true}
   disabled={isError}
   onConfirm={() => {
-    automationStore.actions.addTestDataToAutomation(testData)
     automationStore.actions.test(
       $automationStore.selectedAutomation?.automation,
       testData
@@ -53,7 +56,7 @@
     ><Tab icon="Form" title="Form">
       <div class="tab-content-padding">
         <AutomationBlockSetup
-          bind:testData
+          {testData}
           {schemaProperties}
           isTestModal
           block={trigger}
diff --git a/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte b/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
index daac9427b2..290c6e23ad 100644
--- a/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
+++ b/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
@@ -55,6 +55,15 @@
   const onChange = debounce(
     async function (e, key) {
       if (isTestModal) {
+        // Special case for webhook, as it requires a body, but the schema already brings back the body's contents
+        if (stepId === "WEBHOOK") {
+          automationStore.actions.addTestDataToAutomation({
+            body: { [key]: e.detail },
+          })
+        }
+        automationStore.actions.addTestDataToAutomation({
+          [key]: e.detail,
+        })
         testData[key] = e.detail
       } else {
         block.inputs[key] = e.detail
diff --git a/packages/builder/src/components/automation/Shared/CreateWebhookModal.svelte b/packages/builder/src/components/automation/Shared/CreateWebhookModal.svelte
index ac63ba6a47..20dd696981 100644
--- a/packages/builder/src/components/automation/Shared/CreateWebhookModal.svelte
+++ b/packages/builder/src/components/automation/Shared/CreateWebhookModal.svelte
@@ -1,7 +1,6 @@
 <script>
   import { Icon } from "@budibase/bbui"
   import { automationStore } from "builderStore"
-  import { database } from "stores/backend"
   import WebhookDisplay from "./WebhookDisplay.svelte"
   import { ModalContent } from "@budibase/bbui"
   import { onMount, onDestroy } from "svelte"
@@ -12,7 +11,6 @@
   let schemaURL
   let propCount = 0
 
-  $: instanceId = $database._id
   $: automation = $automationStore.selectedAutomation?.automation
 
   onMount(async () => {
diff --git a/packages/server/src/automations/triggers.js b/packages/server/src/automations/triggers.js
index f774c23123..e6c722ce3e 100644
--- a/packages/server/src/automations/triggers.js
+++ b/packages/server/src/automations/triggers.js
@@ -85,6 +85,7 @@ exports.externalTrigger = async function (
     automation.definition != null &&
     automation.definition.trigger != null &&
     automation.definition.trigger.stepId === definitions.APP.stepId &&
+    automation.definition.trigger.stepId === "APP" &&
     !checkTestFlag(automation._id)
   ) {
     // values are likely to be submitted as strings, so we shall convert to correct type