Open the Analytics area of Marketo Lead Management.
Select the model from the tree.
From the Model Actions menu, choose Approve Model.
A dialog appears to confirm your choice. Click Approve.
Your model is now live!
Open the Analytics area of Marketo.
Select a model from the tree.
Click the Model Actions menu and choose Unapprove Model.
In the dialog that appears, click Unapprove Model.
Congrats! Your model is now unapproved.
Unapproving a model removes all your leads from the model, and removes their history in the model from the lead database.