espocrm-base/application/Espo/Resources/metadata/clientDefs/Template.json

{
    "controller": "controllers/record",
    "recordViews": {
        "detail": "Template.Record.Detail"
    },
    "formDependency": {
        "printFooter": {
            "map": {
                "true" : [
                    {
                        "action": "show",
                        "fields": ["footer", "footerPosition"]
                    }
                ]
            },
            "default": [
                {
                    "action": "hide",
                    "fields": ["footer", "footerPosition"]
                }
            ]
        }
    }
}