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The following table describes the valid types of comparisons you can use to express the relationship of a trigger variable to its value:
| Type | Comparison | Notes |
|---|---|---|
| set | is set (exists) | Default |
| notset | not set (does not exist) | Same as specifying '!' before a variable |
| eq | equals | |
| ne | not equal | |
| gt | greater than | Integer values only |
| lt | less than | Integer values only |
| ge | greater than or equal to | Integer values only |
| le | less than or equal to | Integer values only |