How to hide the button based on the user and value

[Anonymous]

Hello All,
when ever user login how see the button subscribe and unsubscribe button based on the user.
if value is false user can see subscribe button 
if value will true then user can see unsubscribe button

[eka24]

Am assuming you have a UserTable with true and false column. In that case, create a variable in in OnStart of the App:

Set(varUser,LookUp(UserTable,UserColumn=User().Email,TrueFalseColumn))

Then in the Visible of the Button: varUser

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[Anonymous]

[gabibalaban]

@Anonymous ,

Is your Subscriber column a person type in sharepoint ?

If so...use:

Set(varUser,LookUp(GT,Subscriber.Email=User().Email,"Subscribe for Alerts'))

Also I'm affraid of a delegation warning  invoking User() function inside formula, so to be sure you avoid that, use:

Set(currentUserEmail,User().Email);

Set(varUser,LookUp(GT,Subscriber.Email=currentUserEmail,'Subscribe for Alerts'))

Hope it helps !

[eka24]

What Data type of column is the Subscriber?

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[Anonymous]

Suppose I have logged in to the application if the Subscribe for Alerts value is 'false' then I can see Subscriber button.
If you have logged in the application if the Subscribe for Alerts value is 'true' then I can see unsubscribe button.

[Anonymous]

Data sauce I'm using SharePoint 

[gabibalaban]

@Anonymous ,

To corect the error read my reply above. 

[Anonymous]

[v-qiaqi-msft · Accepted solution]

Hi@RajSaha_,

Combine that with your description, I sum all up as below:

1. Subscriber is a Person type and the 'Subscribe for Alerts' is a Yes/No type
2. Once a subscriber have a true value corresponding to the  'Subscribe for Alerts', unsubscribe button is visible, otherwise subscribe button is visible.

I have a test on my side, please take a try as below.

In my scenario, I have a Person column named 'Staff' and a Ye/No column named 'Subscribe for Alerts'.

Set the Subscribe Button Visible property:

If(
    LookUp(
        GT,
        Subscriber.Email = User().Email,
        'Subscribe for Alerts'
    ) = false,
    true
)

Set the Unsubscribe Button Visible property:

If(
    LookUp(
        GT,
        Subscriber.Email = User().Email,
        'Subscribe for Alerts'
    ) = false,
    false
)

You could see that Qi Qiao is the current logged user, and this user has a false value according to the Subscribe for Alerts, so the Subscribe Button is visible for her.

Hope it could help.

Regards,

Qi