...
To add a column, select a custom field in the ‘Jira issue columns to display’ drop-down list. The added field will be immediately available in the preview:
...
Columns can also be added or removed from the table directly from the page view. Click on the filter icon in top right corner of the macro to open the column configuration menu:
...
Table pagination
In the ‘Rows per page’ configuration field, users can determine the number of issues or tasks that will appear on the screen before pagination is activated.