Function getAuthenticationConfig

getAuthenticationConfig(
config: AuthenticationConfigParams,
): Promise<AuthenticationConfigResponse>
Get authentication config from the server
Parameters
- config: AuthenticationConfigParams
  Authentication config parameters
Returns Promise<AuthenticationConfigResponse>
Example
```
import { getAuthenticationConfig } from "@twilio/flex-sdk";

const authConfig = await getAuthenticationConfig({
  runtimeDomain: "test-runtime-domain",
  appType: "web"
});
```