How to add an OCA column in TWS?

Right click on the tab header and select Layout. Make sure you are on the Order Columns tab and find the Order Attributes section on the right under Available Columns. Click the green plus sign (+) to expand the section. Click OCA Group and click the Add button in the middle. You should now see the OCA group column on the left side under Shown Columns. Once finished, click the Apply and OK buttons at the bottom of the window.

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