Theme.json To Set MinHeight of Core/Cover

[RCNeil]

I am attempting to set some default attributes for my core/cover block in my theme.json file. I would like the min-height attribute to be 300px by default. Here is my theme/json code:

{ "version": 2, "settings": { "layout": { "contentSize": "1080px", "wideSize": "1440px" }, "spacing": { "blockGap" : true, "margin": true, "padding": true, "units": [ "rem", "px", "%"] }, "blocks": { "core/cover": { "minHeight" : 300, "minHeightUnit": "px" } } } }

Is this attribute not able to be set? It doesn't appear to be taking the value, though I am referring to the theme.json defaults in the block.json for that block https://github.com/WordPress/WordPress/blob/master/wp-includes/blocks/cover/block.json

Thanks for the help!

[t-hamano]

Yes. Currently in theme.json it is not possible to set default values for attributes defined in blocks.
If you use blocks.registerBlockType filter instead, you might be able to set a default value.

[cloudcreationsjess]

would love to be able to set attributes of blocks instead of overwriting this with css +1