fetchEvent() {
forkJoin([
this.httpService.get<TargetDTO[]>(
`target/${this.target1ID()}`
),
this.httpService.get<TargetDTO[]>(
`target/${this.target2ID()}`
),
]).subscribe({
next: async ([target1, target2]) => {
this.target1.set(target1);
this.target2.set(target2);
},
});
}