Overview

Field value is judged by other field values user selected on form editing, the field is connected by action. Thus 'action connector' works.

Connector

Possible values of 'target field' is set by 'expressions' based on 'source fields'.
* Each source field has its unique id;
* {{{_id_}}} in expression stands for the value of source field:_id_;
* Every expression must have return values.

Property:Allows value

Reuse SMW pre-defined property: 'Allows value'.

Parser function: #wfallowsvalue

Special parser function, define a query, will set the query results to possible values.
Remember to replace "|" character with "{{!}}" (the "!" template) inside each query.

Complex sample