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Lookup Relationship with CampaignMember Standard Object


Hello Board,


I have a custom object "Object 1" and I want to create a Lookup relationship with the CampaignMember Standard object.


But I Can not see the same object in the Lookup relationship list?


How to create relationship with CampaignMember object?





Looks like there is a default restriction from Salesforce end. Here is the note from the help.



Lookup relationships from objects related to the campaign member object aren’t supported; however, you can create lookup relationships from the campaign member object related to other objects.
For more details, visit the following link:


I think Standard objects can not be a child of Custom Objects.
You can not create a custom object who is a parent of any of the standard obejct. Correct me If I am wrong here though..
Geethanjali Marappagounder KaliannGeethanjali Marappagounder Kaliann
In Lookup Relationship, there is no child objects or detail objects. Its just a relationship between 2 objects(like Obj A related to Obj B).
Hence a stardard object can be Obj A or Obj B.
In Master-Detail Relationship, the child object can't be a custom object.