Please clarify the actual input value of "slack domain name" for lab 4

[dtkuo]

It is confusing when instruction says to put in slack domain name when the actual value required in the lambda function does not include .slack.com. So if my channel url is example.slack.com, I actually need to use example without the .slack.com.

Could we clarify that in text or a screenshot that shows what you actually need to grab from slack channel url?

thanks.