Parameters
- oProject
 - Eplan.EplApi.DataModel.Project the PlaceHolder will be assign to.
 
| Exception | Description | 
|---|---|
| Eplan.EplApi.DataModel.ObjectCreationException | Thrown when the PlaceHolder cannot be created. | 
| Eplan.EplApi.DataModel.ObjectAlreadyCreatedException | Thrown when the PlaceHolder has already been created. |