Can NylasScheduling(react component) Create Events with Custom Metadata?

Hello
I currently have my application integrating with the Nylas React component, and we use NylasScheduling to select available timeslots from existing configurations to add events for a specific user.

Now I want to add some special information to the event in order to easily filter it later in another app. I reviewed the metadata documentation and it fits my needs, but it only applies if I update the event with the metadata after creation.

My question is:
Is there a configuration in NylasScheduling that lets me provide metadata information for the event when it’s created? If not, what other alternatives do I have?