Search criteria is related to this factor field.

Include species facts with empty values (null in database) in returned species facts in addition to the species facts that matches this factor field search criteria. This property is currently not used.

This property is only used in combination with factor fields where data is of type enumeration. Property is enumeration as string must be set to true if a string value is used to compare enumeration values.

Operator for this condition.

Values to compare operator with. Normally exactly one value is specified but property Values may contain more than one value if property Operator has the value Equal or NotEqual. Operator Equal together with more than one value returns true if the comparison value is equal to one of the listed values. Operator NotEqual compared to more than one value returns true if the comparison value is not equal to any of the listed values. Property FactorField holds information about which data type values contains.