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If you would like to see those items on your inbox, go to your delegation and click the “Retain Access to Delegates Tasks in Inbox” Under Do inbox Tasks.
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Issues - My Delegation Disappeared
Delegations will disappear from your list once they reach expiration date. Make sure you extend delegations by changing the end date into a future date. Once a delegation expires it cannot be retrieved.
Issues - I Cannot find an action to delegate
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Initiating Actions You Can Delegate
You can delegate the Initiating Action of these business processes (only):
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