diff --git a/frontend/src/lib/components/LightweightArgInput.svelte b/frontend/src/lib/components/LightweightArgInput.svelte
index 8997de2285..0f63e88a11 100644
--- a/frontend/src/lib/components/LightweightArgInput.svelte
+++ b/frontend/src/lib/components/LightweightArgInput.svelte
@@ -52,7 +52,7 @@
 
 	$: validateInput(pattern, value)
 
-	let error: string = ''
+	export let error: string = ''
 
 	let el: HTMLTextAreaElement | undefined = undefined
 
@@ -185,9 +185,9 @@
 						}}
 						type="number"
 						class={twMerge(
-							valid
+							valid && error == ''
 								? ''
-								: 'border border-red-700 border-opacity-30 focus:border-red-700 focus:border-opacity-30 bg-red-100'
+								: 'border !border-red-700 !border-opacity-70 focus:!border-red-700 focus:!border-opacity-30'
 						)}
 						placeholder={defaultValue ?? ''}
 						bind:value
@@ -200,9 +200,9 @@
 					on:pointerdown={(e) => {
 						e?.stopPropagation()
 					}}
-					class={valid
+					class={valid && error == ''
 						? ''
-						: 'border border-red-700 border-opacity-30 focus:border-red-700 focus:border-opacity-30 bg-red-100'}
+						: 'border !border-red-700 !border-opacity-70 focus:!border-red-700 focus:!border-opacity-30'}
 					bind:checked={value}
 				/>
 				{#if type == 'boolean' && value == undefined}
@@ -292,9 +292,9 @@
 						}}
 						use:autosize
 						style="max-height: {maxHeight}"
-						class="col-span-10 {valid
+						class="col-span-10 {valid && error == ''
 							? ''
-							: 'border border-red-700 border-opacity-30 focus:border-red-700 focus:border-opacity-30 bg-red-100'}"
+							: 'border !border-red-700 !border-opacity-70 focus:!border-red-700 focus:!border-opacity-30'}"
 						placeholder={defaultValue ? JSON.stringify(defaultValue, null, 4) : ''}
 						bind:value={rawValue}
 					/>
@@ -340,9 +340,9 @@
 							}}
 							use:autosize
 							type="text"
-							class="col-span-10 {valid
+							class="col-span-10 {valid && error == ''
 								? ''
-								: 'border border-red-700 border-opacity-30 focus:border-red-700 focus:border-opacity-30 bg-red-100'}"
+								: 'border !border-red-700 !border-opacity-70 focus:!border-red-700 focus:!border-opacity-30'}"
 							placeholder={defaultValue ?? ''}
 							bind:value
 							on:pointerdown|stopPropagation={(e) => {
diff --git a/frontend/src/lib/components/LightweightSchemaForm.svelte b/frontend/src/lib/components/LightweightSchemaForm.svelte
index 11d0e66ce3..81b10cc1fe 100644
--- a/frontend/src/lib/components/LightweightSchemaForm.svelte
+++ b/frontend/src/lib/components/LightweightSchemaForm.svelte
@@ -14,6 +14,8 @@
 	export let isValid: boolean = true
 
 	let inputCheck: { [id: string]: boolean } = {}
+	let errors: { [id: string]: string } = {}
+
 	$: isValid = allTrue(inputCheck) ?? false
 
 	$: if (args === undefined) {
@@ -22,6 +24,21 @@
 
 	reorder()
 
+	export function invalidate(key: string, error: string) {
+		inputCheck[key] = false
+		errors[key] = error
+	}
+
+	export function validate(key: string) {
+		inputCheck[key] = true
+		errors[key] = ''
+	}
+
+	export function validateAll() {
+		inputCheck = Object.fromEntries(Object.entries(inputCheck).map((x) => [x[0], true]))
+		errors = Object.fromEntries(Object.entries(errors).map((x) => [x[0], '']))
+	}
+
 	function reorder() {
 		if (schema.order && Array.isArray(schema.order)) {
 			const n = {}
@@ -50,6 +67,7 @@
 				description={schema.properties[argName].description}
 				bind:value={args[argName]}
 				bind:valid={inputCheck[argName]}
+				bind:error={errors[argName]}
 				type={schema.properties[argName].type}
 				required={schema.required?.includes(argName) ?? false}
 				pattern={schema.properties[argName].pattern}
diff --git a/frontend/src/lib/components/apps/components/buttons/AppForm.svelte b/frontend/src/lib/components/apps/components/buttons/AppForm.svelte
index 7aa9fed9f7..661961c734 100644
--- a/frontend/src/lib/components/apps/components/buttons/AppForm.svelte
+++ b/frontend/src/lib/components/apps/components/buttons/AppForm.svelte
@@ -46,6 +46,15 @@
 	$componentControl[id] = {
 		setValue(nvalue: string) {
 			wrapper?.setArgs(nvalue)
+		},
+		invalidate(key: string, error: string) {
+			runnableComponent?.invalidate(key, error)
+		},
+		validateAll() {
+			runnableComponent?.validateAll()
+		},
+		validate(key: string) {
+			runnableComponent?.validate(key)
 		}
 	}
 
diff --git a/frontend/src/lib/components/apps/components/buttons/AppFormButton.svelte b/frontend/src/lib/components/apps/components/buttons/AppFormButton.svelte
index d81990a897..eabebe0d8b 100644
--- a/frontend/src/lib/components/apps/components/buttons/AppFormButton.svelte
+++ b/frontend/src/lib/components/apps/components/buttons/AppFormButton.svelte
@@ -35,6 +35,15 @@
 	$componentControl[id] = {
 		onDelete: () => {
 			modal?.close()
+		},
+		invalidate(key: string, error: string) {
+			runnableComponent?.invalidate(key, error)
+		},
+		validateAll() {
+			runnableComponent?.validateAll()
+		},
+		validate(key: string) {
+			runnableComponent?.validate(key)
 		}
 	}
 
diff --git a/frontend/src/lib/components/apps/components/buttons/AppSchemaForm.svelte b/frontend/src/lib/components/apps/components/buttons/AppSchemaForm.svelte
index 410d46acd8..5b5a956520 100644
--- a/frontend/src/lib/components/apps/components/buttons/AppSchemaForm.svelte
+++ b/frontend/src/lib/components/apps/components/buttons/AppSchemaForm.svelte
@@ -55,9 +55,20 @@
 		}
 	}
 
+	let schemaForm: LightweightSchemaForm
+
 	$componentControl[id] = {
 		setValue(nvalue: any) {
 			args = nvalue
+		},
+		invalidate(key: string, error: string) {
+			schemaForm?.invalidate(key, error)
+		},
+		validateAll() {
+			schemaForm?.validateAll()
+		},
+		validate(key: string) {
+			schemaForm?.validate(key)
 		}
 	}
 
@@ -106,6 +117,7 @@
 				schema={result}
 				bind:isValid={valid}
 				bind:args
+				bind:this={schemaForm}
 				displayType={Boolean(resolvedConfig.displayType)}
 				largeGap={Boolean(resolvedConfig.largeGap)}
 				{css}
diff --git a/frontend/src/lib/components/apps/components/helpers/RunnableComponent.svelte b/frontend/src/lib/components/apps/components/helpers/RunnableComponent.svelte
index 4d40b23d19..96a7447264 100644
--- a/frontend/src/lib/components/apps/components/helpers/RunnableComponent.svelte
+++ b/frontend/src/lib/components/apps/components/helpers/RunnableComponent.svelte
@@ -131,6 +131,20 @@
 		}
 	}
 
+	let schemaForm: LightweightSchemaForm
+
+	export function invalidate(key: string, error: string) {
+		schemaForm?.invalidate(key, error)
+	}
+
+	export function validate(key: string) {
+		schemaForm?.validate(key)
+	}
+
+	export function validateAll() {
+		schemaForm?.validateAll()
+	}
+
 	// Test job internal state
 	let resultJobLoader: ResultJobLoader | undefined = undefined
 
@@ -568,6 +582,7 @@
 			<div class="px-2 h-fit min-h-0">
 				<LightweightSchemaForm
 					schema={schemaStripped}
+					bind:this={schemaForm}
 					bind:args
 					on:inputClicked={handleInputClick}
 				/>
diff --git a/frontend/src/lib/components/apps/components/helpers/eval.ts b/frontend/src/lib/components/apps/components/helpers/eval.ts
index 3c5df41a98..09e344e8e3 100644
--- a/frontend/src/lib/components/apps/components/helpers/eval.ts
+++ b/frontend/src/lib/components/apps/components/helpers/eval.ts
@@ -20,7 +20,7 @@ export function computeGlobalContext(world: World | undefined, extraContext: any
 
 function create_context_function_template(eval_string: string, context, noReturn: boolean) {
 	return `
-return async function (context, state, goto, setTab, recompute, getAgGrid, setValue, setSelectedIndex, openModal, closeModal, open, close) {
+return async function (context, state, goto, setTab, recompute, getAgGrid, setValue, setSelectedIndex, openModal, closeModal, open, close, validate, invalidate, validateAll) {
 "use strict";
 ${
 	Object.keys(context).length > 0
@@ -52,7 +52,10 @@ function make_context_evaluator(
 	openModal,
 	closeModal,
 	open,
-	close
+	close,
+	validate,
+	invalidate,
+	validateAll
 ) => Promise<any> {
 	let template = create_context_function_template(eval_string, context, noReturn)
 	let functor = Function(template)
@@ -108,6 +111,9 @@ export async function eval_like(
 			closeModal?: () => void
 			open?: () => void
 			close?: () => void
+			validate?: (key: string) => void
+			invalidate?: (key: string, error: string) => void
+			validateAll?: () => void
 		}
 	>,
 	worldStore: World | undefined,
@@ -170,6 +176,15 @@ export async function eval_like(
 		},
 		(id) => {
 			controlComponents[id]?.close?.()
+		},
+		(id, key) => {
+			controlComponents[id]?.validate?.(key)
+		},
+		(id, key, error) => {
+			controlComponents[id]?.invalidate?.(key, error)
+		},
+		(id) => {
+			controlComponents[id]?.validateAll?.()
 		}
 	)
 }
diff --git a/frontend/src/lib/components/apps/editor/componentsPanel/componentControlUtils.ts b/frontend/src/lib/components/apps/editor/componentsPanel/componentControlUtils.ts
index db0b9f289c..f735d1e73a 100644
--- a/frontend/src/lib/components/apps/editor/componentsPanel/componentControlUtils.ts
+++ b/frontend/src/lib/components/apps/editor/componentsPanel/componentControlUtils.ts
@@ -4,7 +4,7 @@ export type ComponentFunction = {
 	title: string
 	description: string
 	example: string
-	documentation: string
+	documentation?: string
 }
 
 const setTab = {
@@ -57,6 +57,24 @@ const close = {
 	documentation: 'https://www.windmill.dev/docs/apps/app-runnable-panel#close'
 }
 
+const validate = {
+	title: 'validate',
+	description: 'Validate a specific field of a form',
+	example: 'validate(id: string, key: string)',
+}
+
+const invalidate = {
+	title: 'invalidate',
+	description: 'Invalidate a specific field of a form',
+	example: 'validate(id: string, key: string, error: string)',
+}
+
+const validateAll = {
+	title: 'validateAll',
+	description: 'Validate all fields of a form',
+	example: 'validate(id: string, key: string)',
+}
+
 export function getComponentControl(type: keyof typeof components): Array<ComponentFunction> {
 	switch (type) {
 		case 'tabscomponent':
@@ -83,16 +101,18 @@ export function getComponentControl(type: keyof typeof components): Array<Compon
 		case 'numberinputcomponent':
 		case 'currencycomponent':
 		case 'checkboxcomponent':
-		case 'formcomponent':
 		case 'rangecomponent':
 		case 'multiselectcomponent':
 		case 'selectcomponent':
 		case 'slidercomponent':
-		case 'schemaformcomponent':
 		case 'quillcomponent':
 		case 'textcomponent':
 		case 'textareainputcomponent':
-			return [setValue]
+		case 'formcomponent':
+		case 'schemaformcomponent':
+		case 'formbuttoncomponent':
+			return [setValue, validate, validateAll, invalidate]
+
 		case 'tablecomponent':
 			return [setSelectedIndex]
 		default:
diff --git a/frontend/src/lib/components/apps/editor/settingsPanel/ComponentControl.svelte b/frontend/src/lib/components/apps/editor/settingsPanel/ComponentControl.svelte
index 8447b365f5..4de53258c8 100644
--- a/frontend/src/lib/components/apps/editor/settingsPanel/ComponentControl.svelte
+++ b/frontend/src/lib/components/apps/editor/settingsPanel/ComponentControl.svelte
@@ -47,20 +47,21 @@
 				<div class="text-xs">
 					{control.description}
 				</div>
-				<div class="p-1 border w-full">
+				<div class="p-1 border w-full overflow-x-auto">
 					<Highlight language={typescript} code={control.example} />
 				</div>
-
-				<a
-					href={control.documentation}
-					target="_blank"
-					class="text-frost-500 dark:text-frost-300 font-semibold text-xs"
-				>
-					<div class="flex flex-row gap-2">
-						See documentation
-						<ExternalLink size="16" />
-					</div>
-				</a>
+				{#if control.documentation}
+					<a
+						href={control.documentation}
+						target="_blank"
+						class="text-frost-500 dark:text-frost-300 font-semibold text-xs"
+					>
+						<div class="flex flex-row gap-2">
+							See documentation
+							<ExternalLink size="16" />
+						</div>
+					</a>
+				{/if}
 			{/each}
 		{/if}
 	</PanelSection>
diff --git a/frontend/src/lib/components/apps/editor/settingsPanel/Recompute.svelte b/frontend/src/lib/components/apps/editor/settingsPanel/Recompute.svelte
index c766e4f58e..18c1cb9353 100644
--- a/frontend/src/lib/components/apps/editor/settingsPanel/Recompute.svelte
+++ b/frontend/src/lib/components/apps/editor/settingsPanel/Recompute.svelte
@@ -21,7 +21,7 @@
 
 <PanelSection
 	title="Trigger runnables on success"
-	tooltip="Select components to recompute after running this runnable as a success"
+	tooltip="Select components to recompute after this runnable has successfully run"
 	documentationLink="https://www.windmill.dev/docs/apps/app-runnable-panel#recompute-others"
 >
 	{#if Object.keys($runnableComponents ?? {}).filter((id) => id !== ownId).length > 0}
diff --git a/frontend/src/lib/components/apps/types.ts b/frontend/src/lib/components/apps/types.ts
index 291c1cd4f9..630ee8fa60 100644
--- a/frontend/src/lib/components/apps/types.ts
+++ b/frontend/src/lib/components/apps/types.ts
@@ -240,6 +240,9 @@ export type AppViewerContext = {
 				closeModal?: () => void
 				open?: () => void
 				close?: () => void
+				validate?: (key: string) => void
+				invalidate?: (key: string, error: string) => void
+				validateAll?: () => void
 			}
 		>
 	>
diff --git a/frontend/src/lib/components/apps/utils.ts b/frontend/src/lib/components/apps/utils.ts
index 318f3ca953..d6621967b6 100644
--- a/frontend/src/lib/components/apps/utils.ts
+++ b/frontend/src/lib/components/apps/utils.ts
@@ -217,6 +217,25 @@ declare function open(id: string): void;
   * @param id component's id
  */
 declare function close(id: string): void;
+
+
+/** validate form field property 'key'
+ * @param id component's id
+ * @param key property's key to validate
+ */
+declare function validate(id: string, key: number): void;
+
+/** validate form field property 'key'
+ * @param id component's id
+ * @param key property's key to validate
+ */
+declare function invalidate(id: string, key: number, error: string): void;
+
+/** validate all form's properties
+ * @param id component's id
+ */
+declare function validateAll(id: string, key: number): void;
+
 `
 		: ''
 }