The Validate button checks for syntax errors, which is particularly helpful if you have hand-typed the expression yourself. It works very much like the spellcheck function in Word. If there are any parts of the expression that are structurally incorrect, it will help to detect it. Click on Validate to check for errors in the expression that we have just generated. Since we used the builder to create the expression, we are not expecting any errors. Blue Prism gives a prompt that says The expression is valid.
Now, let's try to fake a bad expression. Delete the number 0, such that the expression reads as follows:
[Number of Items to Purchase] =
Click on Validate again. This time, Blue Prism detects that there is something ...
