Need to custom one-click unsubscribe landing page in AMPscript? Here’s how I generally code it:

This leverages the AMPscript API functions and mirrors the process you’d take if you were doing this with the Marketing Cloud SOAP API.

Reference:

• RequestParameter
• Empty
• AttributeValue
• CreateObject
• SetObjectProperty
• AddObjectArrayItem
• InvokeExecute
• Row
• Field
• Output
• Concat