The Cardinality section of the General tab allows you to set the optionality and variability for values contained in the message attribute. See the following table for descriptions of each type of cardinality relationship.
Relationship |
Description |
---|---|
0..0 |
Prohibited: The message attribute is expected to have no value, and none is allowed. |
0..1 |
Zero to One: The message attribute is not required to have a value, and it cannot have more than one value. |
0..* |
Zero to Many: The message attribute is not required to have a value, and it can have multiple values. |
1..1 |
One to One: The message attribute is required to have exactly one value. |
1..* |
One to Many: The message attribute is required to have at least one value, and it can have multiple values. |
Some rule and attribute combinations may restrict which cardinality relationships are available to be set.