# External Store Runtime
URL: /docs/api-reference/external-store/runtime

Runtime components, options, and adapters for using assistant-ui with externally owned chat state.

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## API Reference \[#api-reference]

### ExternalStoreAdapter \[#externalstoreadapter]

<ParametersTable />

### ExternalThread \[#externalthread]

<ParametersTable />

### ExternalThreadProps \[#externalthreadprops]

<ParametersTable />

### ExternalThreadQueueAdapter \[#externalthreadqueueadapter]

<ParametersTable />

### useExternalStoreRuntime \[#useexternalstoreruntime]

<ParametersTable />

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