Show/Hide custom buttons with PowerFX when a lookup column has no value

A friend of mine was recently trying to make a custom button on an opportunity form in Dynamics 365 Sales show on the form, but only when a certain lookup field had a value. They turned to PowerFX to make it happen but there were some some problems getting it to work correctly. For those who haven’t used it much, Power Fx is the low-code formula language built into theRead More