1. index.js file const [ salesPersonCount , setSalesPersonCount ] = useState ( 0 ); const [ salesPersonArray , setSalesPersonArray ] = useState ([]); const [ selectModalVisible , setSelectModalVisible ] = useState ( false ); return ( < MultiSelect selectModalVisible = { selectModalVisible } onPress = { () => { setSelectModalVisible ( false ) } } onRequestClose = { () => { setSelectModalVisible ( false ) } } data = { salesPersonArray } allCheckboxCount = { allSelect => setSalesPersonCount ( allSelect ) } changeChecked = { selectedValue => { for ( var i = 0 ; i < salesPersonArray . length ; i ++) { if ( salesPersonArray [ i ]. ValueField === selectedValue ) { if (