---
title: "Lifecycle (core)"
slug: "081-core-lifecycle-schemas"
updated: 2025-05-23T22:41:10Z
published: 2025-05-23T22:41:10Z
canonical: "docs.developer.comcast.com/081-core-lifecycle-schemas"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.developer.comcast.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Lifecycle (core)

**Lifecycle Schema 0.8.1 | Core SDK**

## JSON-Schema

This document was generated from a JSON-Schema, and is intended to provide a human readable overview and examples of the methods contained in the module.

For the full schema, see the link below.

| Schema |
| --- |
| [lifecycle.json](https://github.com/rdkcentral/firebolt-openrpc/blob/feature/badger-parity/src/schemas/lifecycle.json) |

## Schemas

### LifecycleState

```
type LifecycleState = 'initializing' | 'inactive' | 'foreground' | 'background' | 'unloading' | 'suspended'
```

#### Details

The application lifecycle state

---

### CloseReason

```
type CloseReason = 'remoteButton' | 'userExit' | 'error'
```

#### Details

The application close reason

---