How to query documents by METADATA_FIELDS?

I want to query documents by modified_at field in metadata?
How can I do that?
Here is my approach but it doesn’t work:

documentQueryService.query("modelName", filterSpec = FilterSpec().addFilter("modified_at:[TO 2030-01-01]"), pageSpec = PageSpec.BATCH_1_000_000)

Hi @luu-far-shell ,

Unfortunately this is not yet supported, currently supported meta fields are docRef, model_name, created_by and modified_by

The data is available for indexing it was not indexed yet because there was no use case for it and there was no agreement on how to provide proper format for this timestamp. Please create requirement ticket and we will take a look

This answer is valid for data services versions 30.1 - 35.0