Link to the article: https://intercom.help/tranzact-ebbdf0244a30/en/articles/3374739-where-can-i-find-and-add-a-custom-document-field-in-tranzact
[A] Go to the "Settings" module in the left hand panel in TranZact.
[B] In the Settings page, click on the “Custom Fields” tab (2) and in it, click on the “Documents” tab (3).
[C] In it, select the document you want a custom field in from the dropdown list (4) on the right side of the page and click on the “Add Field” button (5).
[D] A popup form is shown. Fill in the required details in the form and then click on the “Save Field” button. The newly added custom fields will be shown in the respective document.
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