Here is a summary of the steps:

1. Add Custom Fields to the Campaign Member Object
• Go to Setup → Object Manager → Campaign Member.
• Click on Fields & Relationships.
• Create the Percent Field (Weight):
• Click New Field → Select Percent.
• Set Label: [AB] Time Decay Sourced Weight.
• Set Length = 16 and Decimals = 2.
• Save the field and copy the API Name.
• Create the Formula Field (Weighted Amount):
• Click New Field → Select Formula.
• Set Label: [AB] Time Decay Sourced Amount.
• Set Return Type: Currency (0 or 2 decimals).
• Enter Formula:
• AB_Time_Decay_Sourced_Weight__c * algnatt__AB_Associated_Opportunity__r.Amount
• Set Blanks as Blanks and validate the formula.
• Save the field.
2. Configure Alignly Attribution Custom Settings
• Go to Setup → Quick Find → Custom Settings.
• Select Alignly Attribution Settings → Click Manage → Edit.
• Find [AB] Time Decay Sourced Field and paste the copied API Name.
• Ensure no extra spaces before or after the API Name.
• Click Save.
3. Activate the Model in Alignly Attribution
• Return to Alignly Attribution.
• Confirm the [AB] Time Decay Sourced model is turned on.
• Run manually or wait for the next scheduled job.
4. Update the Custom Report Type
• Add both the Weight and Amount fields to the custom report type.
• (Refer to the separate video for detailed steps.)