Begin of the deletion These are just notes to facilitate the implementation. The authoritative specification is in <mention class="mention" data-id="49688" data-type="work_package" data-text="#49688">#49688</mention>

(Note: `Project Attributes` is a new name for the existing concept of `Project Custom Fields`)

End of the deletion ### Begin of the insertionAcceptance Criteria:End of the insertion Begin of the deletion Open questionsEnd of the deletion

* Begin of the insertionOn project creation:
* If values forEnd of the insertion Begin of the deletion ProjectEnd of the deletion custom fields are Begin of the insertionprovided, the custom fields are activated automatically after createEnd of the insertion Begin of the deletion now enabled/disabled on a project-levelEnd of the deletion
* Begin of the insertionOnEnd of the insertion Begin of the deletion The API for projects includes ALL existingEnd of the deletion project Begin of the insertionupdate:
End of the insertion Begin of the deletion custom fields though (read and write)
End of the deletion * Begin of the insertionIf values for custom fields are provided,End of the insertion Begin of the deletion How shouldEnd of the deletion the Begin of the deletion new concept of project-levelEnd of the deletion custom fields Begin of the insertionare activated automatically after update, if not already activated
* Project attribute settings cannotEnd of the insertion be Begin of the insertionexplicitly changed throughEnd of the insertion Begin of the deletion respected inEnd of the deletion the Begin of the insertionAPIEnd of the insertion Begin of the deletion project API?End of the deletion