How to create a Saved Search to display the custom records which are not created by the current user

let customrecord_jj_inv_adjustment_requestSearchObj = search.create({
                        type: "customrecord_jj_inv_adjustment_request",
                        filters:
                            [
                                ["custrecord_jj_ia_req_status", "anyof", "1"],
                                "AND",
                                ["formulatext: {custrecord_jj_ia_request.custrecord_jj_ia_req_item}", "isnotempty", ""],
                                "AND",
                                ["isinactive", "is", "F"],
                                "AND",
                                ["formulanumeric: case when {custrecord_jj_created_by.altname}={user.altname} then 0 else 1 end", "equalto", "1"]
                            ],
                        columns:
                            [
                                search.createColumn({ name: "internalid", label: "Internal ID" }),
                                search.createColumn({
                                    name: "name",
                                    sort: search.Sort.ASC,
                                    label: "ID"
                                }),
                                search.createColumn({ name: "custrecord_jj_ia_req_subsidiary", label: "SUBSIDIARY " }),
                                search.createColumn({ name: "custrecord_jj_ia_req_adjustment_account", label: "ADJUSTMENT ACCOUNT " }),
                                search.createColumn({ name: "custrecord_jj_ia_req_date", label: "Date" }),
                                search.createColumn({ name: "custrecord_jj_ia_req_status", label: "STATUS" })
                            ]
                    });