I'm trying to create a CloudWatch Insights query for Amazon Connect that will give me call counts by date. I'm able to get the number of log messages by date, however, I need to only count unique ContactId's. The query I have has many duplicated ContactId's since each time Connect logs to CloudWatch, it uses ContactId to tie all of the events related to a contact together. Is there a way to modify this query to only show the count of the unique ContactId?

filter @message like /ContactId/ | stats count(*) as callCount by toMillis(datefloor(1d)) | sort callCount desc

1 Answer

Embarassingly enough, almost immediately after posting this, I found my answer. count_distinct() gets me what I needed.

filter @message like /ContactId/ | stats count_distinct(ContactId) as callCount by toMillis(datefloor(1d)) | sort callCount desc
1

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