This feature allows to add more columns to the customer request grid, these columns would show field or custom field values when the customer opens their request table from customer portal.
Instructions
Select the Jira icon > Jira settings > Apps or Add ons.
Under Tinker for JSD, click Customer Request Grid
To add a new column that would appear on customer request grid click on Add Column
Clicking save will the field to the list
You may add up to 3 columns maximum on customer request grid
if you’d like to substitute a column you need delete one and add a new one.