> For the complete documentation index, see [llms.txt](https://docs.akamas.io/akamas-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.akamas.io/akamas-docs/reference/construct-templates/system-template.md).
# System template
Systems are defined using a YAML manifest with the following structure:
```yaml
# General section
name: Analytical functions
description: A collection of analytical functions
```
with the following properties:
| Field | Type | Value restrictions | Is required | Default Value | Description |
| ------------- | ------ | ------------------ | ----------- | --------------- | ---------------------------------------- |
| `name` | string |
| TRUE |
| The name of the system |
| `description` | string |
| TRUE |
| A description to characterize the system |
### Example
The following represents a system (for Cassandra related system)
```yaml
name: system1
description: my system with 3 nodes of cassandra
```
---
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