arangodb/Documentation/DocuBlocks/collectionCreateEdgeCollection.md

@brief creates a new edge collection db._createEdgeCollection(collection-name)

Creates a new edge collection named collection-name. If the collection name already exists an error is thrown. The default value for waitForSync is false.

db._createEdgeCollection(collection-name, properties)

properties must be an object with the following attributes:

• waitForSync (optional, default false): If true creating a document will only return after the data was synced to disk.
• journalSize (optional, default is "configuration parameter"): The maximal size of a journal or datafile. Note that this also limits the maximal size of a single object and must be at least 1MB.