PrimeNg Angular9 我正在使用 p-tree 自定义 api 并且它不工作

Question

I am trying to fill p-tree [value] with custom api how can i do it with template. this is the api

0: {company: "abc", name: "testGroup1",…}
company: "abc"
id: 1
name: "testGroup1"
subGroups: [{parentId: 1, name: "Business support division", id: 1}, {parentId: 1, name: "campaign", id: 3}]
0: {parentId: 1, name: "Business support division", id: 1}
id: 1
name: "Business support division"
parentId: 1
1: {parentId: 1, name: "campaign", id: 3}
id: 3
name: "campaign"
parentId: 1
1: {company: "abc", name: "testGroup2", subGroups: [{parentId: 2, name: "Billing", id: 2}], id: 2}
company: "abc"
id: 2
name: "testGroup2"
subGroups: [{parentId: 2, name: "Billing", id: 2}]
0: {parentId: 2, name: "Billing", id: 2}
id: 2
name: "Billing"
parentId: 2```

Answer 1

now i dont know how to show the children(which is subGroups ) of the testGroup1 and the children of testGroup2 and also show the icons