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Gallery. How to set view permission based on two lists?

I would like to achieve the following in my Gallery property:

If you are a sys-administrator, you see all invoices displayed in Gallery. Otherwise, if you are just an end-user, the Gallery will only display invoice(s) that associates with your name or your nominee's name(s).  Note that the nominee info is stored in a separate SharePoint list.


How do I add the following nominees line to my existing script?

LookUp('Invoice Nominees','Invoice Number'=Gallery.Invoice Number).NomineeName



Here's my existing script of the Gallery:


LookUp('Sys Admin List', StaffIDEmail = varUserEmail).StaffIDEmail),

'Invoice List',
"Invoice Number",
Invoice Number,
'Invoice List',
Primary_x0020_Holder_x0020_Name = varUserName




Thank you for your assistance.





@Australia Oh boy!

do it this way then,



Collect(tmpCollection,ShowColumns(Filter('Invoice Nominees','Invoice Number'= "12345"),"NomineeName"))

Thanks  again @CNT . Errors still appear 😞

Clear(tmpCollection);   The function Clear has some invalid arguments.


Under tmpCollection, a red line persists. Name isn't valid. This identifier isn't recognized.



@Australia Hmmmm..... I'm not sure if everything is ok on your side. Anyway, let's try in another way,

Set(gblCollection,ShowColumns(Filter('Invoice Nominees','Invoice Number'= "12345"),"NomineeName"))

Hi @CNT ,

Hope you had a great weekend. I am back online full time again.
Set(gblCollection,ShowColumns(Filter('Invoice Nominees','Invoice Number'= "12345"),"NomineeName")) 

No error this time 😄 I was able to press the button and could see something was loading.
I am ready for the next step.

@Australia That's a good start to the new week. Now try your original formula from your side and see if it works.

Hi @CNT Totally 🙂
Now I added Set(gblCollection,ShowColumns(Filter('Invoice Nominees','Invoice Number'= "12345"),"NomineeName"))  to the original formula.

But a new red underline error occurred under this new line. 

"Behavior function in a non-behavior property. You can't use this property to change values elsewhere in the app."

I am terribly sorry for taking up so much of your time CNT. 😞

@Australia can you send me the latest full formula.

	LookUp('Sys Admin List', StaffIDEmail = varUserEmail).StaffIDEmail),
			Search('Invoice List',
				"Invoice Number",
			),Invoice Number,Descending
			Filter('Invoice List',
			Primary_x0020_Holder_x0020_Name = varUserName ||
			Primary_x0020_Holder_x0020_Name in ShowColumns(Filter('Invoice Nominees','Invoice No'='12345'),"NomineeName")

Hi @CNT , this is my current script for the Gallery. No errors.  🙂
(the reason I had the weird error I 11 hours ago was because I put 

Primary_x0020_Holder_x0020_Name in Set(gblCollection,ShowColumns(Filter('Invoice Nominees','Invoice Number'= "12345"),"NomineeName")) 


Silly me.



Though the nominee of the invoice '12345' cannot see anything in the gallery. It is just blank for him. I am now asking another nominee who received those red popup errors last time. I will report back shortly.


Hi @CNT, so i've updated the bit 'Invoice No'='12345' to 'Invoice No'='Invoice Number'. 

The nominees are still receiving the same red pop up errors.


I am just thinking if I should just append the nominees details to the 'Invoice List' so we don't need to do the LookUp anymore. The challenge for me, however, is that the List is directly taken from our SQL database and its original format has a one-to-many relationship.  Kindly see below for what I meant:


Invoice Number NameStaff IDTypeEmail
2021/001Adam Smiths012Primary
2021/002Tom Tans004Primary
2021/003Maria Vantis087Primary
2021/004Amy Armstrongs042Primary

@Australia If you have more than 1 nominee per invoice you cannot add that information to the Invoice List.

It's very strange that it works when we've a hardcoded value but doesn't work when looking up the actual value.

For test purposes, try and create a simple Filter for invoice nominee's.

I'm sorry I couldn't assist more in this remote situation. 

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