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# Batch send a transactional template

You can now pass the set of attributes in **params** to customise the template for **each recipient**. For this the **email** will be the **key** and its **value** will be a **JSON** containing attributes **specific to each recipient**.\
For example, \{'[abc@example.com](mailto:abc@example.com)':\{'name':'ABC', 'age':21}, '[xyz@example.com](mailto:xyz@example.com)':\{'name':'XYZ', 'age':25}}

*NOTE: This change is backward compatible.*

\[To see the change, you can refer to the following endpoint]\
[https://developers.sendinblue.com/reference#sendtransacemail](https://developers.sendinblue.com/reference#sendtransacemail)