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Ek0nomikEk0nomik 

Can't query related list in API

On the Contract object we have a related list of a custom object, let's just call it "CustomObject".  So if you visit the page layout for a contract record, you can see the related list of "CustomObjects".  I'm unable to do a SOQL relationship query on this custom object though.  I'm a little confused why I can query accounts and the related contracts, but I am unable to query contracts and the related custom objects.  I was hoping someone here could explain why this would be.

 

Thanks!

Best Answer chosen by Admin (Salesforce Developers) 
Ek0nomikEk0nomik

I'm going to leave my post here even though I figured out the answer.  I didn't have a child relationship name set on the custom lookup field.  That solved the issue and made the object queryable.