1. Select your mashup in the Block Menus and click Edit.
If you have permission to edit this mashup, it opens in the Design Canvas. If the mashup is turned on, you must click to turn it off before you can edit the mashup.
Note:
If the mashup you selected was not created in Wires, you will see a message that Wires cannot open the mashup.
2. Change the blocks and connections as needed.
3. Click Save. If the mashup is complete (fully configured and connected), Wires automatically turns the mashup on.
to turn it off before you can edit the mashup.