saved search for fetching the customer based on the Email Id

/**
 * @description the saved search for fetching the customer based on the Email Id
 * @param EMAIL_ID - the email id
 * @param  PHONE - the phone number
 * @returns {*[]|Object[]}
 */
fetchCustomerByEmailId(EMAIL_ID) {
    log.debug('EMAIL_ID==', EMAIL_ID);
    let customerRecordID
    let filterArray = []
    if (jjUtil.checkForParameter(EMAIL_ID)) {
        filterArray.push(["email", "is", EMAIL_ID.toString().trim()])
    }
    let customerSearchObj = search.create({
        type: "customer",
        filters:
            [
                ["stage", "anyof", "CUSTOMER"],
                "AND",
                ["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: "phone", label: "Phone"}),
                search.createColumn({name: "externalid", label: "ExternalID"})
            ]
    });
    let searchResultCount = customerSearchObj.runPaged().count;

    customerSearchObj.run().each(function (result) {
        customerRecordID = result.getValue({
            name: "internalid", label: "InternalID"
        })
        //return true;
    });
    return customerRecordID;
}