core-lightning/doc/schemas/waitblockheight.schema.json

{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "type": "object",
    "required": [ "blockheight" ],
    "properties": {
        "blockheight": {
            "type": "u32",
            "description": "The current block height (>= *blockheight* parameter)"
        }
    }
}