# google.appengine.api.modules.start_version_async

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| [View source on GitHub](https://github.com/GoogleCloudPlatform/appengine-python-standard/tree/main/src/google/appengine/api/modules/modules.py#L361-L390) |

Returns a `UserRPC` to start all instances for the given module version.

#### View aliases


**Main aliases**

\`google.appengine.api.modules.modules.start_version_async\`

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    google.appengine.api.modules.start_version_async(
        module, version
    )

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| ## Args ||
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| `module` | String containing the name of the module to affect. |
| `version` | String containing the name of the version of the module to start. |

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| ## Returns ||
|---|---|
| A `UserRPC` to start all instances for the given module version. ||

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