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Setting the Attachment Table macro limit for displaying the number of attachments is based on the below criteria:
The macro considers the least of the value configured between the parameters Limit number of attachments to retrieve, and Global Configuration > Maximum attachments to process, to process the attachments.
The processing stops after the number of attachments found matching the Page filtering selection criteria reaches the least of the value configured. The macro displays the processed attachments and their metadata as a table.
If the macro encounters equal or more attachments than the least value configured, the confluence page displays a warning message, or else the message is not displayed.