# fuchsia.version

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Added: 9

## **ALIASES**

| Name | Value | Description |
|---|---|---|
| [AbiRevision](https://cs.opensource.google/fuchsia/fuchsia/+/main:sdk/fidl/fuchsia.version/version.fidl;l=10) | `uint64` | The ABI revision denotes the semantics of the Fuchsia System Interface that an application expects the platform to provide. ABI revision values are chosen at random. |
| [ApiLevel](https://cs.opensource.google/fuchsia/fuchsia/+/main:sdk/fidl/fuchsia.version/version.fidl;l=15) | `uint64` | The API level denotes a set of APIs available when building an application for a given release of the FUCHSIA IDK. API levels are assigned in increasing order. |