Add another item in a modal

const [open, setOpen] = useState(false);
  const [type, setType] = useState<string>();
  const [name, setName] = useState<string>();
  const [description, setDescription] = useState<string>();

<GoabxButton type="tertiary" leadingIcon="add" onClick={() => setOpen(true)}>
        Add another item
      </GoabxButton>
      <GoabxModal
          heading="Add a new item"
          open={open}
          actions={
            <GoabButtonGroup alignment="end">
              <GoabxButton type="tertiary" size="compact" onClick={() => setOpen(false)}>
                Cancel
              </GoabxButton>
              <GoabxButton type="primary" size="compact" onClick={() => setOpen(false)}>
                Save new item
              </GoabxButton>
            </GoabButtonGroup>
          }
        >
          <p>Fill in the information to create a new item</p>
          <GoabxFormItem label="Type" mt="l">
            <GoabxDropdown onChange={(e) => setType(e.value)} value={type}>
              <GoabxDropdownItem value="1" label="Option 1" />
              <GoabxDropdownItem value="2" label="Option 2" />
            </GoabxDropdown>
          </GoabxFormItem>
          <GoabxFormItem label="Name" mt="l">
            <GoabxInput
              onChange={(e) => setName(e.value)}
              value={name}
              name="name"
              width="100%"
            />
          </GoabxFormItem>
          <GoabxFormItem label="Description" mt="l">
            <GoabxTextArea
              name="description"
              rows={3}
              width="100%"
              onChange={(e) => setDescription(e.value)}
              value={description}
            />
          </GoabxFormItem>
      </GoabxModal>

open = false;
  type: string | undefined = "";
  name = "";
  description = "";

  toggleModal() {
    this.open = !this.open;
  }

  updateType(event: any) {
    this.type = event.value;
  }

  updateName(event: any) {
    this.name = event.value;
  }

  updateDescription(event: any) {
    this.description = event.value;
  }

<goabx-button type="tertiary" leadingIcon="add" (onClick)="toggleModal()">Add another item</goabx-button>
<goabx-modal [open]="open" (onClose)="toggleModal()" heading="Add a new item" [actions]="actions">
  <p>Fill in the information to create a new item</p>
  <goabx-form-item label="Type" mt="l">
    <goabx-dropdown (onChange)="updateType($event)" [value]="type">
      <goabx-dropdown-item value="1" label="Option 1"></goabx-dropdown-item>
      <goabx-dropdown-item value="2" label="Option 2"></goabx-dropdown-item>
    </goabx-dropdown>
  </goabx-form-item>
  <goabx-form-item label="Name" mt="l">
    <goabx-input name="name" width="100%" (onChange)="updateName($event)" [value]="name"></goabx-input>
  </goabx-form-item>
  <goabx-form-item label="Description" mt="l">
    <goabx-textarea name="description" width="100%" [rows]="3" (onChange)="updateDescription($event)" [value]="description"></goabx-textarea>
  </goabx-form-item>
  <ng-template #actions>
    <goab-button-group alignment="end">
      <goabx-button type="tertiary" size="compact" (onClick)="toggleModal()">Cancel</goabx-button>
      <goabx-button type="primary" size="compact" (onClick)="toggleModal()">Save new item</goabx-button>
    </goab-button-group>
  </ng-template>
</goabx-modal>

const modal = document.getElementById("add-item-modal");
const openBtn = document.getElementById("open-modal-btn");
const cancelBtn = document.getElementById("cancel-btn");
const saveBtn = document.getElementById("save-btn");

openBtn.addEventListener("_click", () => {
  modal.setAttribute("open", "true");
});

modal.addEventListener("_close", () => {
  modal.removeAttribute("open");
});

cancelBtn.addEventListener("_click", () => {
  modal.removeAttribute("open");
});

saveBtn.addEventListener("_click", () => {
  modal.removeAttribute("open");
});

<goa-button version="2" id="open-modal-btn" type="tertiary" leadingicon="add">Add another item</goa-button>
<goa-modal version="2" id="add-item-modal" heading="Add a new item">
  <p>Fill in the information to create a new item</p>
  <goa-form-item version="2" label="Type" mt="l">
    <goa-dropdown version="2" id="type-dropdown">
      <goa-dropdown-item value="1" label="Option 1"></goa-dropdown-item>
      <goa-dropdown-item value="2" label="Option 2"></goa-dropdown-item>
    </goa-dropdown>
  </goa-form-item>
  <goa-form-item version="2" label="Name" mt="l">
    <goa-input version="2" name="name" width="100%" id="name-input"></goa-input>
  </goa-form-item>
  <goa-form-item version="2" label="Description" mt="l">
    <goa-textarea version="2" name="description" width="100%" rows="3" id="description-textarea"></goa-textarea>
  </goa-form-item>
  <div slot="actions">
    <goa-button-group alignment="end">
      <goa-button version="2" id="cancel-btn" type="tertiary" size="compact">Cancel</goa-button>
      <goa-button version="2" id="save-btn" type="primary" size="compact">Save new item</goa-button>
    </goa-button-group>
  </div>
</goa-modal>