---
title: "Reference Documentation Template"
description: "This template defines the standard structure and conventions for REFERENCE documents within the Sirius project, ensuring comprehensive technical specifications and API documentation."
template: "TEMPLATE.template"
version: "1.0.0"
last_updated: "2025-01-03"
author: "AI Assistant"
tags: ["template", "reference", "technical", "specifications", "api"]
categories: ["project-management", "development"]
difficulty: "intermediate"
prerequisites: ["ABOUT.documentation.md"]
related_docs:
  - "ABOUT.documentation.md"
  - "TEMPLATE.documentation-standard.md"
dependencies: []
llm_context: "high"
search_keywords:
  [
    "reference template",
    "technical specs",
    "api documentation",
    "specifications",
  ]
---

# [System/Component] Reference

## Purpose

This document provides comprehensive technical reference information for [specific system/component/API] within the Sirius project. REFERENCE documents serve as authoritative sources for technical specifications, API endpoints, configuration options, and implementation details.

## When to Use

- **API Development**: When implementing or consuming APIs
- **Integration Work**: When connecting systems or components
- **Configuration**: When setting up or modifying system parameters
- **Debugging**: When troubleshooting technical issues
- **Code Review**: When reviewing implementation against specifications

## How to Use

### Quick Reference

1. **Find the relevant section** for your specific need
2. **Check the prerequisites** and requirements
3. **Follow the examples** for implementation patterns
4. **Reference the specifications** for exact details
5. **Use the troubleshooting section** for common issues

### Common Patterns

```bash
# [Common pattern 1]
[example implementation]

# [Common pattern 2]
[example implementation]
```

## What It Is

### Technical Overview

[Detailed technical explanation of the system/component/API]

### Architecture

[Technical architecture with diagrams and component relationships]

### Data Models

#### [Model 1]

```json
{
  "field1": "type",
  "field2": "type",
  "field3": {
    "nested_field": "type"
  }
}
```

#### [Model 2]

```yaml
field1: type
field2: type
field3:
  nested_field: type
```

### API Endpoints

#### [Endpoint 1]

- **Method**: `GET|POST|PUT|DELETE`
- **Path**: `/api/v1/endpoint`
- **Description**: [What this endpoint does]
- **Parameters**:
  - `param1` (required): [Description]
  - `param2` (optional): [Description]
- **Response**: [Response format and status codes]
- **Example**:

```bash
curl -X GET "http://localhost:9001/api/v1/endpoint?param1=value"
```

#### [Endpoint 2]

- **Method**: `GET|POST|PUT|DELETE`
- **Path**: `/api/v1/endpoint2`
- **Description**: [What this endpoint does]
- **Request Body**: [Request format]
- **Response**: [Response format and status codes]
- **Example**:

```bash
curl -X POST "http://localhost:9001/api/v1/endpoint2" \
  -H "Content-Type: application/json" \
  -d '{"field1": "value", "field2": "value"}'
```

### Configuration Options

| Option    | Type    | Default   | Description   | Required |
| --------- | ------- | --------- | ------------- | -------- |
| `option1` | string  | "default" | [Description] | Yes      |
| `option2` | integer | 0         | [Description] | No       |
| `option3` | boolean | false     | [Description] | No       |

### Environment Variables

| Variable   | Description   | Example  | Required |
| ---------- | ------------- | -------- | -------- |
| `ENV_VAR1` | [Description] | `value1` | Yes      |
| `ENV_VAR2` | [Description] | `value2` | No       |

### File Formats

#### [Format 1]

```yaml
# YAML format example
key1: value1
key2:
  nested_key: nested_value
  list_item:
    - item1
    - item2
```

#### [Format 2]

```json
{
  "key1": "value1",
  "key2": {
    "nested_key": "nested_value",
    "list_item": ["item1", "item2"]
  }
}
```

### Error Codes

| Code   | HTTP Status | Description         | Resolution   |
| ------ | ----------- | ------------------- | ------------ |
| `E001` | 400         | [Error description] | [How to fix] |
| `E002` | 401         | [Error description] | [How to fix] |
| `E003` | 500         | [Error description] | [How to fix] |

## Troubleshooting

### FAQ

**Q: [Common technical question 1]**
A: [Technical answer with specific details]

**Q: [Common technical question 2]**
A: [Technical answer with specific details]

**Q: [Common technical question 3]**
A: [Technical answer with specific details]

### Command Reference

| Command      | Purpose        | Example     | Notes              |
| ------------ | -------------- | ----------- | ------------------ |
| `[command1]` | [What it does] | `[example]` | [Additional notes] |
| `[command2]` | [What it does] | `[example]` | [Additional notes] |
| `[command3]` | [What it does] | `[example]` | [Additional notes] |

### Common Issues

| Issue     | Symptoms          | Root Cause       | Solution           |
| --------- | ----------------- | ---------------- | ------------------ |
| [Issue 1] | [How to identify] | [Why it happens] | [Step-by-step fix] |
| [Issue 2] | [How to identify] | [Why it happens] | [Step-by-step fix] |
| [Issue 3] | [How to identify] | [Why it happens] | [Step-by-step fix] |

### Debugging Steps

1. **Check [specific thing]**: [How to check and what to look for]
2. **Verify [specific thing]**: [How to verify and expected results]
3. **Test [specific thing]**: [How to test and success criteria]
4. **Review [specific thing]**: [What to review and common patterns]

## Lessons Learned

### [Date] - [What was learned]

[Description of technical lesson learned and how it improved the system]

### [Date] - [What was learned]

[Description of technical lesson learned and how it improved the system]

---

_This document follows the Sirius Documentation Standard. For questions about documentation structure, see [ABOUT.documentation.md](../ABOUT.documentation.md)._