Example 1: compare value of an item with numeric type:
				
					{
        "blockType":"when",
        "blockOptions":{
            "method":{
                "name":"compareNumbers",
                "args":{
                    "item":"item",
                    "comparator":"comparator",
                    "value":"value"
                }
            }
        },
        "fields":[
            {
                "name":"item",
                "type":"item",
                "value":"5de64f6a70c7be0541cc0853"
            },
            {
                "name":"comparator",
                "type":"string",
                "value": ">"
            },
            {
                "name":"value",
                "type":"int",
                "value": 51
            }
        ]
    }