Forums Scripts & Popups if-then-else statement

This would check if either variable is set with any value

if ((%abc != $null) || (%cbs != $null)) {

This would check if either variable is set with any value except $null $false or 0

if ((%abc) || (%cbs)) {

This would check if either variable is set only with $true

if ((%abc == $true) || (%cbs == $true)) {