2 answers
In javascript file.
import connectToMethod from '@salesforce/apex/lwcController.methodToCall'
@wire(connectToMethod, {recordId: '$recordId'})
wiredData({error, data}){
if( data ) {
//Data handle
}else{
//Error handle
}
}
In apex lwcController.cls create the method:
@AuraEnabled
public static Object methodToCall(String recordId){
//Code
}