If

Compare a value stored in the value store with a given target value.

Additional inputs

• If key: name of the key in the sub-store
• in parameter group: name of the sub-store
• ifCondition: what kind of comparison to perform
• is equal to: value to compare the value from the variable to

If is equal to is set to $notEmpty, it will be checked whether the variable exists.
Otherwise, if the ifCondition is set to =, both values will be compared as strings (to allow for booleans and numbers to be compared easily).
If, instead, it's set to either of >, >=, <=, <, a number comparison will be performed (both will be cast into numbers)

Function exits

• If true: The performed check returned true
• If false: The performed check returned false
• On bad input: The check could not be performed, most likely because either of the variables could not be cast into a number