1. Use {!recordId} in the Parent Record Id.
2. Use the Child Relationship Name in the Related List Name.
Related Record List Configuration in the Experience Cloud Builder:
Output:
Related Record List Setup in Salesforce Experience Cloud Site
1. Use {!recordId} in the Parent Record Id.
2. Use the Child Relationship Name in the Related List Name.
Related Record List Configuration in the Experience Cloud Builder:
Output: