Mendix Academy: Constrain Your Data Using XPath - 4.7 Additional Challenges

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Hi Mendix community,   I have a question related to a course I’m following on Mendix Academy ‘Constrain Your Data Using XPath - 4.7 Additional Challenges’. I’m currently working on the second additional exercise: ‘ Add a reporting page where Administrators can see a list of all Accounts that have never made a vacation request. ’ To achieve this, I’m trying to work via a microflow where I list all the accounts and loop through the vacation request to see whether the account is known as a submitter. At the end, I would like to display this information in a simple list view.   The problem: I try to generate an empty list and within the loop statement, I would like to change the list: add the account who never submitted a vacation request to the list. I’m currently not able to perform my first action: generate an empty list (I need to select an entity...)   Screenshot of my current microflow:   Any suggestions?   Regards, Jelle
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The Entity defines the List elements type. It’s created empty, you can add object of the same type in the loop.

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Hi,

In order to create an empty list, describe the list of which type by selecting the entity.If you are going to add the account then it should be Account entity .

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Hi,

 

You need to create an empty list of type Account entity. Then you can choose this list for add to list  activity and set $IteratorAccount.

 

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