I am building an app in which a gallery of organisations' details is filtered and I am using checkboxes to created a collection of selected email addresses for the purposes of sending an email. The problem I have is the checkbox Uncheck property does not appear to be removing the individual organisation's email address from the collection.
From what I understand, I am unable to use ClearCollect, as this will remove all email addresses from the collection.
Can anyone help? The code on the Uncheck property is: