SP List: Listing Unique Items from Lookup Column, Saving Them

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Posted on by Thomasjruss

Hello!

I have two lists:

Main list: Dummy Enforcement Workflow

Lookup reference list: Contact List Conversion

In the lookup reference list, there is a column with employee names, all of which have duplicates. I do not want to see duplicate values in the items in the data card that references the Contact list, and I still want the SP list form to save the selected values.

Thank you! That's the gist of the problem. Please read on if you would like more information.

When I simply use distinct(choices(['@Dummy Enforcement Workflow']),Values), it will display the unique items if I change the field properties to select the 'Results' output. However, the app will not save the selected items to the list.

I understand that the results are in text, and the list is expecting a record. I believe that is where my problems arise. I have tried using Patch in the On Select Property, to no avail.

When I use the below formulas, I get three rows added to the list when I select a contact. One of the three gives me what I would expect. However, I also get two other blank rows that I do not want.

in the Items property

in the On Select property

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Building Power Apps

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Drrickryp Super User 2024 Season 1 on at

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@Thomasjruss

Welcome to PowerApps hel1. See numbers 1 and 2 in my post https://powerusers.microsoft.com/t5/Power-Apps-Community-Blog/The-Ten-Commandments-of-SharePoint-in-PowerApps/ba-p/848842

My suggestion would be to create a new list of your employee's names and reference it's ID in the workflow list.

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Thomasjruss 46 on at

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Okay, thanks @Drrickryp. I'm learning. The contact list has duplicates because people can have multiple roles. So for instance, Marky Mark will have a row where they are listed as an investigator and a row where they are listed as an analyst.

I changed the data field that I want the name entered in to single text per the commandments. In the case of this app, I want the users to be able to see the options for names of people that are investigators, and to be able to select them and save them in the data field. Now I'm confused because I have a combobox control showing names filtered by investigator roles, but I still can't get the datacard to update with the selection.

I believe I'm having a hard time wrapping my head around commandment 2. There are ID values in the contact list.

Any ideas?

Thanks,
Thomas

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Thomasjruss 46 on at

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My solution follows:

DataCardValue10 (Column Datacard) Items property = Distinct(Choices([@'Dummy Enforcement Workflow 2'].OData__x0045_OA2),Value)

Column_DataCard Update property =
{
Value: DataCardValue10.Selected.Result,
Id:
LookUp(
'Contact List Conversion',
Title = DataCardValue10.Selected.Result
).ID
}

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