How to import data from custom table in Magento?

Hi everyone,

I have a magento site, and in magento I created a custom table (for example customer_reward_point, that has a foreign key customer_id that reference the entity_id in magento customer table)

How can I import these data into MagentoCustomer entity (as a field)?

I read this https://github.com/orocrm/crm/blob/master/src/OroCRM/Bundle/MagentoBundle/Resources/doc/reference/eav_attributes_support.md but OroCRM only support EAV attributes

Thank you very much.

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