Create One to One Chat in Sendbird IOS - ios

I was trying to create a chat application using SendBirdSDK. But I couldn't find any methods in the documentation to start chat with a user. I downloaded the sample project and checked it, but it contains group channels and open channels only.
Is there any such methods to create 1 to 1 messages or should I need to create a groupchat with single user ID only?
Any help will be apreciated

According to the documentation,
A Group Channel is a private chat. A user may join the chat only through an invitation by another user who is already a member of the chatroom. A Group Channel can consist of one to hundreds of members. Creating a channel with two members allows 1-to-1 messaging.
So you just need to create a Group Channel with two User IDs in order it to be a 1-to-1 chat. Also, you should enable the Distinct property, because also according to the docs:
Consequently, we recommend that you enable the Distinct property in 1-to-1 messaging channels in order to reuse the same channel when a user chooses to directly message a friend. If the property is disabled, the user will create a new channel even if they have had previous conversations with the friend, and therefore will not be able to see or access previously sent messages or data.
Reference: https://docs.sendbird.com/ios#group_channel_3_creating_a_group_channel

I am not sure but in group channel they provide 1-on-1 messaging. But for that you need to create a group with other userID
You can use the reference code from here:
https://sendbird.gitbooks.io/how-to-build-an-ios-messaging-app/content/en/implement_1-on-1_messaging.html

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