const modalRef = this.modalService.open(ModalComponent);
modalRef.componentInstance.passedData= this.dataToPass;
modalRef.result.then(result => {
//do something with result
}
export class ModalComponent {
passedData: typeOfData; //declare it!
someFunction() { //or some lifecycle hook
console.log(this.passedData) //and then, use it!
}
//rest of the ModalComponent
}