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Targetting a slack user with dynamic content from Sharepoint

Our company has a calendar in Sharepoint online which we use as a roster - a different person is rostered to do something each day. The calendar has a 'who' field which looks up from our company directory. 


I'm playing around with the Slack connector and it's working great if I hard code in the user. I'd like though to be able to specifically target a user for notification based on their 'who' field. All users in our company have a slack account (provisioned via SAML from Azure AD) and the slack handle for each user exactly matches the email prefix (eg. has a slack handle of @someuser).


Does anybody have any suggestions of how to do this?


To sumarise - I want to assign the calendar entry to Fred, and the flow should send a private message via Slack to @fred - so I need to pull the username dynamically.


Many thanks!

Helper V
Helper V

That is a resonable request yet it's not possible in flow to pull the username dynamically. I think?


Yeah I couldn't work out how to do it so I came up with a workaround.


I've set up a Sharepoint workflow (triggers on new item) to figure out what the Slack username is based on the email address and write it back to the list item. I set the flow to run when an entry is changed. The workflow also sets a couple of other things, including a condition which I use within the flow to determine if it should act or not.


Not ideal really, to have two different processes hanging together to do something seemingly basic, but it works well.

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