From SQL to ES - How to check if a parameter is equals to a value

FilterWithParameterUsingRythm.json

{
    "filter": {
        "bool": {
            "should": [
                {
                    "term": { "variables.rawValue": "@eps" }
                },
                {
                    ??? "@eps": "ABC" ???
                }
            ]
        }
    }
}