Hi SharePointGuy,
You can do as the following steps.
1. Create 2 permission levels, one only with Add Items included and the other one with both Add Items and Edit Items permissions.
2. Give users the Add and Edit items permission to the list first, so the user can trigger workflow.
3. Create a workflow in SharePoint Designer. In Actions, choose Send an Email, then choose
Delete List Item Permission Assignment to delete the users permission for this item, then choose
Grant Permission on Item to add the custom add-only permission to the user. So the user will only have Add Items permission after creating the item.
Note: the permission management will appear in workflow actions after the Useful SharePoint Designer Custom Workflow Activities installed. You can download it here:
http://spdactivities.codeplex.com/releases/view/10103
.
Thanks,
Jack
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Marked as answer by
Jack-GaoMicrosoft contingent staff, Moderator
Sunday, February 19, 2012 6:14 AM
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Unmarked as answer by
Jack-GaoMicrosoft contingent staff, Moderator
Sunday, February 19, 2012 6:14 AM