The function returns the NUMBER LIST of values stored in the argument field in those issues in the argument issues.
The argument field has format {nnnnn}. The number of values in output is the number of issues in argument issues with field set.
fieldValue(numeric field field, issue list issues) #Output: Number list
The function returns the TEXT LIST stored in argument field in those issues in the argument issues.
Argument field has format %{nnnnn}, or %{nnnnn.i} for cascading select fields. The number of values in output is the number of issues in argument issues with field set, except for multi-valued fields, for which a value is returned for each selected value in the field.
Multi-valued fields are fields of types: Multi-Select, Checkboxes, Components, Versions, Multi-User Picker, Multi-Group Picker, Issue Pickers, Attachments, and Labels.
fieldValue(text field field, issue list issues) #Output: Text list
