# How do I add or edit a Bidder ID number?

> Source: https://support.associationsphere.com/how-do-i-add-or-edit-a-bidder-id-number  |  Updated: 2024-04-08T19:29:17Z

1.  Within the Event page editor, on the Event Settings tab, the **Allow To Edit Bidder #** must be set to **YES** in order to add or edit bidder numbers.

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2.  Bidder numbers can then be added by clicking on the edit icon from the Event Attendance grid.

3.  Bidder numbers can only be added one at a time, not in a batch.

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