I’m am trying to adding a UI only field to a table (see screenshot) the model is an aggregate model and the formula is {{talkdesk__Talk_Time_sec__c}}/60
The field want let me add it to the table please help. 
I’m am trying to adding a UI only field to a table (see screenshot) the model is an aggregate model and the formula is {{talkdesk__Talk_Time_sec__c}}/60
The field want let me add it to the table please help. 
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