# TPCB\_LayersOfObject type

二进制内嵌对象所属层

## Signature

```typescript
type TPCB_LayersOfObject = EPCB_LayerId.TOP_SILKSCREEN | EPCB_LayerId.BOTTOM_SILKSCREEN | EPCB_LayerId.DOCUMENT;
```
## References


[EPCB\_LayerId.TOP\_SILKSCREEN](../enums/EPCB_LayerId.md)<!-- -->, [EPCB\_LayerId.BOTTOM\_SILKSCREEN](../enums/EPCB_LayerId.md)<!-- -->, [EPCB\_LayerId.DOCUMENT](../enums/EPCB_LayerId.md)