
The string operator “+” is very useful for constructing error and log messages in trigger scripts.
The following tables outlines operators used in script triggers:

Arithmetic Operators

Comparison Operators

Addition: +
Subtraction: 
Multiplication: *
Division: /
Modulus: %
Increment: ++
Decrement: 

Is equal to: ==
Is not equal to: !=
Greater than: >
Greater than or equal to: >=
Less than: <
Less than or equal to: <=

Logical Operators

String Operators

And: &&
Or: 
Not: !

Assignment: =
Concatenate: +
Concatenate and assign: +=
