The OUTPUT command defines what the output 'template' will be for the results.
By placing Wiki syntax directly in the OUTPUT body content, along with the required objects to be displayed, the command allows a template for each row of output to be constructed within the LIST plugin itself.

filter is a required command in the LIST body content and is used to define the search query that will be run to gather a set of results from the complete set of objects that have been indexed by the Unified Search.
A large number of possible individual parameters can be 'filtered' . Multiple filter commands can be applied in an additive manner, ie the equivalent of an AND operation.

Optionally sed when in the command OUTPUT (embraced) the parameter type=table.
{column ...} defines the specific configuration of each column of the table.
One command per column.

From Tiki 11, replaces 'list'
The LIST plugin will display 50 results by default but depending on the output you might want to decrease the visible amount of results to improve performance.

Up to Tiki 12.3, replaced by 'pagination'
The LIST plugin will display 50 results by default but depending on the output you might want to decrease the visible amount of results to improve performance.

as-is, default format
optionally in conjunction with parameter 'separator'

to display a link based on the value
mandatory in cojunction with parameter 'type'
optionally in cojunction with parameter'separator'

use ''format=reference" for tracker fields which are "page selector" fields, to assure that you link to the page whose name is contained in the tracker, rather than to the tracker record.

to display the initial portion of the a large text
optionally in conjunction with parameters 'length' and 'suffix'