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SharePoint - Get listId from trigger

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Posted on by damooji

Looking to see if it's possible to get the listID from a trigger action for 'new item created' or 'new item created/modified'.

Reason - using http requests, i'd rather hit the list by ID vs list name to prevent the flow from breaking in the event someone changes the list name. And, trying to remove one step of me having to manually enter the ID 😀

Screen Shot 2020-08-28 at 2.01.04 PM.png

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Building flows

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damooji 15 on at

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OK - So I think I'm close to finding one method of getting the ID....just need to extract from a string of text! Basically, first created a var w/expression:
triggerOutputs()?['body']
From here, I saw there is 'Link' that contains the full URL, along with the ListID, etc. So, updated the expression to the following:
triggerOutputs()?['body/{Link}']
Output would be something like this:
"https://sharepoint.com/sites/contoso/_layouts/15/listform.aspx?PageType=4&ListId=44c372cf-e53d-405c-95cc-b1f34c1447ca&ID=3&ContentTypeID=0x01007C25FFA01CF12B479995A3.....",

Figured I can just extract the ListID from this string..but I'm struggling!
I tried
last(split(first(split(triggerOutputs()?['body/{Link}'],'ca&')),'&ListID='))
This trims off the end which is fine, but not the front part...still end up w/the https....

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damooji 15 on at

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Disregard the issue above this post - it works. May not be the best or only approach for this but it works!

last(split(first(split(triggerOutputs()?['body/{Link}'],'ca&')),'ListId='))

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