The following interface is displayed when configuring a Parameter attribute:
A parameter attribute has the following specific properties:
•Data Type: a dropdown field, exposing the following values:
o BigInt
o Date
o DateTime
o Decimal
o Integer
o Money
o String (the default)
•String Field Length: this property is only displayed if Data type is set to String. Its default value is 50, and the value provided must be greater than 0. A validation error is raised if the length of a provided string Default value exceeds the String field length specified.
•Default Value: it is mandatory to provide a default value for a parameter attribute. A data entry mask, accordant with the selected Data type, is provided.
•JSONPath: this section allows you to specify that the parameter attribute should source its values from JSON using a JSONPath query.
•Is JSONPath parameter: check this checkbox to indicate that the parameter attribute is a JSONPath parameter. When checked, the JSON Parameter Name and Query properties are shown.
•JSON Parameter Name: this property represents a visitor parameter storing JSON, from which attribute's value is to be sourced. It is displayed when Is JSONPath parameter is checked. A text field, it is empty by default, and is mandatory when shown.
•JSONPath Query: this property allows you to specify a JSONPath query, which will be used to source the attribute's value from the supplied JSON parameter. It is displayed when Is JSONPath parameter is checked. A multi-line text field, it is empty by default, and is mandatory when shown.
Note that, if a parameter attribute references a collection, it returns by default the most frequent value within the same.