## WorkbookMetadata class

Represents the meta data.

```go

type WorkbookMetadata struct  {
	ptr unsafe.Pointer
}

```
## Constructors

| Method | Description |
| --- | --- |
|[NewWorkbookMetadata_String_MetadataOptions](./newworkbookmetadata_string_metadataoptions/) | Create the meta data object. | 
|[NewWorkbookMetadata_Stream_MetadataOptions](./newworkbookmetadata_stream_metadataoptions/) | Create the meta data object. | 

## Methods

| Method | Description |
| --- | --- |
|[IsNull](./isnull/) | Checks whether the implementation object is nullptr. | 
|[GetOptions](./getoptions/) | Gets the options of the metadata. | 
|[GetBuiltInDocumentProperties](./getbuiltindocumentproperties/) | Returns a DocumentProperty collection that represents all the  built-in document properties of the spreadsheet. | 
|[GetCustomDocumentProperties](./getcustomdocumentproperties/) | Returns a DocumentProperty collection that represents all the custom document properties of the spreadsheet. | 
|[Save_String](./save_string/) | Save the modified metadata to the file. | 
|[Save_Stream](./save_stream/) | Save the modified metadata to the stream. |