---
title: "Internal"
slug: "150-core-internal"
updated: 2025-03-19T14:54:26Z
published: 2025-03-19T16:03:18Z
canonical: "docs.developer.comcast.com/150-core-internal"
---

> ## 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.

# Internal

**Internal Module 1.5.0 | Core SDK**

## Overview

Internal methods for SDK / FEE integration

## Private Methods

**View**

  

### initialize

*This is a private RPC method.*

Initialize the SDK / FEE session.

Parameters:

| Param | Type | Required | Description |
| --- | --- | --- | --- |
| `version` | [`SemanticVersion`](/docs/150-core-Types-schemas#SemanticVersion) | true | The semantic version of the SDK. |

Result:

[InitializeResult](/docs/150-core-internal#initializeresult)

Capabilities:

| Role | Capability |
| --- | --- |
| uses | xrn:firebolt:capability:lifecycle:initialize |

#### Examples

Default Example

JSON-RPC:

Request:

```
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "Internal.initialize",
  "params": {
    "version": {
      "major": 1,
      "minor": 0,
      "patch": 0,
      "readable": "Firebolt SDK 1.0.0"
    }
  }
}
```

Response:

```
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "version": {
      "major": 1,
      "minor": 0,
      "patch": 0,
      "readable": "Firebolt FEE 1.0.0"
    }
  }
}
```

---

## Types

### InitializeResult

```
type InitializeResult = {
  version: SemanticVersion // The semantic version of the FEE.
}
```

See also:

[SemanticVersion](/docs/150-core-Types-schemas#SemanticVersion)

---