---
id: v1-start-invocation-input
title: StartInvocationInput
pagination_label: StartInvocationInput
sidebar_label: StartInvocationInput
sidebar_class_name: typescriptsdk
keywords: ['typescript', 'TypeScript', 'sdk', 'StartInvocationInput', 'v1StartInvocationInput']
slug: /tools/sdk/typescript/triggers/models/start-invocation-input
tags: ['SDK', 'Software Development Kit', 'StartInvocationInput', 'v1StartInvocationInput']
---

# StartInvocationInput

## Properties

Name | Type | Description | Notes
------------ | ------------- | ------------- | -------------
**triggerId** | **(optional)** `string` | Trigger ID | [default to undefined]
**input** | **(optional)** `object` | Trigger input payload. Its schema is defined in the trigger definition. | [default to undefined]
**contentJson** | **(optional)** `object` | JSON map of invocation metadata | [default to undefined]