saved search for fetching the contact and their parent customer based on the Email Id

/**
 * @description the saved search for fetching the contact and their parent customer based on the Email Id
 * @param EMAIL_ID - the email id
 * @param  PHONE - the phone number
 * @returns {*[]|Object[]}
 */
fetchContactByEmailId(EMAIL_ID) {
    let filterArray = []
    let custRecordID;
    if (jjUtil.checkForParameter(EMAIL_ID)) {
        filterArray.push([
            ["email", "is", EMAIL_ID.toString().trim()]
        ])
    }
    let contactSearchObj = search.create({
        type: "contact",
        filters:
            [
                ["isinactive", "is", "F"],
                "AND"
            ].concat(filterArray),
        columns:
            [
                search.createColumn({name: "internalid", label: "InternalID"}),
                search.createColumn({
                    name: "entityid",
                    sort: search.Sort.ASC,
                    label: "Name"
                }),
                search.createColumn({name: "email", label: "Email"}),
                search.createColumn({
                    name: "internalid",
                    join: "parentCustomer",
                    label: "ParentInternalID"
                })
            ]
    });
    let searchResultCount = contactSearchObj.runPaged().count;
    log.debug("contactSearchObj result count", searchResultCount);

    contactSearchObj.run().each(function (result) {
        custRecordID = result.getValue({
            name: "internalid",
            join: "parentCustomer",
            label: "ParentInternalID"
        })
        //return true;
    });
    return custRecordID;

}