Substitutable Strings
Many parts of the Capture system allow you to replace text with the value of an attribute within your capture.
These will take any text in curly braces (between the '{' and '}' symbols), search for an attribute that matches that name, and replace the whole thing with the value of that attribute.
For instance, the following expression…
{Machine.Speed} > {Machine.Max Speed}
will become…
20 > 45
…when the value of 'Machine.Speed' is 20 and 'Max Speed' is 45.