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

# SummerCapabilityGrant

> Immutable negotiated Summer capability and version.

**Class:** `SummerCapabilityGrant` · **Inherits:** RefCounted

Immutable negotiated Summer capability and version.

A trusted runtime creates this projection from a verified manifest or admission response. Game scripts can inspect it but cannot construct or mutate a grant.

## Properties

| Property | Type | Access | Description |
| - | - | - | - |
| <a id="capability_id" />`capability_id` | StringName | read-only, `get_capability_id()` | Stable capability identifier. |
| <a id="version" />`version` | int | read-only, `get_version()` | Negotiated positive contract version. |

***

What is live on the platform today: [platform capability status](/knowledge-base/source-status). Check availability at runtime before you offer a feature.


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