<aura:component description="ExampleComponent" controller="ExampleController"> <!-- - In your code, implement an Apex Controller which retrieves some records, - as well as the init action to populate the table. --> <!-- attributes --> <aura:attribute type="Object[]"	name="allRecords" /> <aura:attribute type="List"	name="columns" /> <!-- handlers--> <aura:handler name="init" value="{! this }" action="{! c.init }"/> <aura:handler name="change" value="{!v.allRecords}" action="{!c.renderPage}" /> <lightning:card title="Example"> <aura:set attribute="actions"> <!-- Simply give the button the records and the export file name --> <c:CsvExporterButton records="{!v.allRecords}" fileName="export.csv" /> </aura:set> <p class="slds-p-horizontal_small"> <lightning:datatable keyField="id" data="{! v.allRecords }" columns="{! v.columns }" hideCheckboxColumn="true"/> </p> </lightning:card> </aura:component>