The element <stringOperator> is an operator between two string expressions in the Process DM. The operator evaluates the two element <expression>s based on the attribute "stringOperation" with following definitions– "concatenate" – Returns a string data type that is the first string with the second string concatenated.• "contains" – Returns a Boolean data type "true" if the first string occurs anywhere within the second string otherwise returns "false" otherwise.• "equal" – Returns a Boolean data type "true" if the values are the identical otherwise returns "false".• "greaterThan" – Returns a Boolean data type "true" if the first string is greater than the second string otherwise returns "false".• "greaterThanOrEqual" – Returns a Boolean data type "true" if the first string is greater than or equal to the second string otherwise returns "false"• "lessThan" – Returns a Boolean data type "true" if the first string is less than the second string otherwise returns "false"• "lessThanOrEqual" – Returns a Boolean data type "true" if the first string is less than or equal to the second string otherwise returns "false"• "notEqual" – Returns a Boolean data type "true" if the values are not identical otherwise returns "false".