Enabling custom smart tag for image asset
I'm using AEM 6.5.10 and we have started utilizing the smart tag feature.
I have generated smart tags for an image asset as below. We totally under the smart tags are auto generated based on AI.

Now, there is a requirement from our customer on below line items;
- Can we add custom smart tag to an asset ? If so, any recommended steps to achieve it.
- Any way to set a default custom smart tag. For instance, demo is the smart tag I need to update in all the images which is in dam. Is there any way to achieve it ?
- How to start training my images to get the particular smart tag for all the image ?
Kindly do pour in your thoughts for my queries.
Thanks in advance.
Cheers !