How to make ionic tab with two different function - ionic-framework

Question

So i have this code for list-company.page.html
<div class="tab_container" [ngSwitch]="tab" *ngFor="let i of company_data">
<ion-list lines="none" *ngSwitchCase="'list'" >
<ion-item (click)="sendCompany(i.id)">
<div class="item_container">
<div class="syllabus">
<h3>{{i.name}}</h3>
</div>
<ion-row>
<ion-col size="7">
</ion-col>
<ion-col size="5" class="ion-text-end">
<div class="follow">
Follow
</div>
</ion-col>
</ion-row>
</div>
</ion-item>
</ion-list>
ion-list lines="none" *ngSwitchCase="'status'">
<ion-item *ng-init='getFollowedCompany()'>
<!-- <ion-item (click)="sendCompany(i.id)"> -->
<div class="item_container">
<div class="syllabus">
<h3>{{i.name}}</h3>
</div>
<ion-row>
<ion-col size="7">
<!-- <p class="d-flex">{{i.jml}} Questions
<span></span>
{{i.waktu || 0}} mins
</p> -->
</ion-col>
<ion-col size="5" class="ion-text-end">
<div class="follow">
Unfollow
</div>
</ion-col>
</ion-row>
</div>
</ion-item>
</ion-list>
</div>
So the idea is the first tab named List is showing a list of company from my DB with function getCompany() and to pick a company to choose
and then the second tab named Status is showing the company that has been choosen from the List tab with function getFollowedCompany()
The problem is i dont know how to set this to different function in the html page
This is the code :
getCompany()
this.api_url='https://exam.graylite.com/api/company'
await this.storage.get('email').then((val) => {
this.email = val
});
// console.log(this.email);
var formData : FormData = new FormData();
formData.set('email',this.email);
this.http.post(this.api_url,formData)
.subscribe((response) => {
if(response['message']=='error'){
this.presentToast(response['message']);
} else {
this.company_data = response['data'];
// this.name = response['data']['name'];
// this.company_id = response['data']['company_id'];
console.log(this.company_data);
}
});
getFollowedCompany()
this.api_url='https://exam.graylite.com/api/getuserapproval'
await this.storage.get('email').then((val) => {
this.email = val
});
// console.log(this.email);
var formData : FormData = new FormData();
formData.set('email',this.email);
this.http.post(this.api_url,formData)
.subscribe((response) => {
if(response['message']=='error'){
this.presentToast(response['message']);
} else {
this.company_followed = response['data'];
// this.name = response['data']['name'];
// this.company_id = response['data']['company_id'];
console.log(this.company_followed);
}
});