How to configure

Go to the Administration page, choose Custom Fields link and add an KCF - Single Select.

In order to see how you can configure all the options above, check this: Configuration

This custom field can be used for many types of options:

If you go to an issue and try to edit this field, you will see an image like this:

Save the changes and the selected value should appear on the issue screen:

Example for data source

Get Project Versions

string projectKey = "TEST";
string[] versionNames = admGetProjectVersions(projectKey);
number[] versionId;
for(string versionName in versionNames){
    JVersion version = admGetProjectVersion(projectKey, versionName); 
    versionId += version.id;
}
return versionId;

This example is used to generate the pictures above.