I want to configure automatic on app launch without user input for video call in iOS SDK

[Problem/Question]
// Detailed description of issue.
On application launch, I would like to make auto fill and login so that user don’t need to authenticate. I have integrated latest Sendbird sdk for my MVP about Telehealth consultation app.

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[UIKit Version]
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[Reproduction Steps]
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[Frequency]
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[Current impact]
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