User`s guide

String Operator
Strings can be concatenated (joined) using the plus sign. For example:
$name = "Adept "
$incorp = ", Inc."
$coname = $name + "Technology" + $incorp
results in the variable $coname having the value "Adept Technology, Inc".
String Operator
(Undefined variable: Primary.Product_Name_V)Language User's Guide, version
17.x
Page 115