Hi @rdavila,
You have to doing a query call to query out the subscription Id and version with the subscription name and then use the subscription Id as a condition to query out the RatePlan id and finally, using RatePlan id as a condition to query out the information of RatePlanCharge object.
Alternatively, you might think of ZOQL query to create an export like below query:
select subscription.*, RatePlanCharge.* from RatePlanCharge
So you can filter the information you need from the output file of the ZOQL export.
Thank you!
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