| Overload | Description | 
|---|---|
| DESIGNATION_INSTALLATIONNUMBER_PART(Int32) | Higher-level function number (single component) # 1728. This property isn't indexed. | 
| DESIGNATION_INSTALLATIONNUMBER_PART | Higher-level function number (single component) # 1728. | 
| Overload | Description | 
|---|---|
| DESIGNATION_INSTALLATIONNUMBER_PART(Int32) | Higher-level function number (single component) # 1728. This property isn't indexed. | 
| DESIGNATION_INSTALLATIONNUMBER_PART | Higher-level function number (single component) # 1728. | 
Part of the structure identifier for the higher-level function number that is entered at this planning object. The entire structure identifier for a planning object consists in this case of the own individual part and all the parts of the superior structure segments and planning objects.