how to convert ifc and build metadata.json file

[icefire24]

I used the convert service to IFC and got a.xkt file, but I did not find the metadata.json file, is this json file necessary to load the model

[xeolabs]

Here's some info: https://xeokit.github.io/xeokit-model-conversion-tests/index.html

[icefire24]

Thank you for your answer, but the following error occurred when I executed the last step. May I ask what the problem is