If you would like to update multiple campaigns at once, follow the steps below. 

1. Select your ad account from the drop-down menu on the top left of your screen.

2. Select your app from the left sidebar.
3. Under Campaigns, click the box next to the campaigns you would like to update.
4. Click Bulk Edit.

5. Click the box next to the information you would like to update. You can update the following information.

   Property		Description
   Description		Enter a new description for the campaigns you have selected.
   Budget		Enter a new budget amount for the campaigns you have selected.
   End date of schedule		Specify a new end date for the campaigns you have selected.
   Tracking Link		Select a new or different tracking link for the campaigns you have selected.

   Important: You must enter a valid value for each of the properties you have selected. If you select Description and leave it blank, the blank description overwrites the description you have entered before for the campaign. 

6. Click Save to save changes.