# Interface MetadataExtensionInformation

All Known Implementing Classes:
  `DefaultMetadataExtensionInformation`

@UML(identifier="MD_MetadataExtensionInformation", specification=ISO_19115) public interface MetadataExtensionInformation
Information describing metadata extensions.

Since:
  2.0

- ## Method Summary

  Modifier and Type
  Method
  Description
  `Collection<? extends ExtendedElementInformation>`
  `getExtendedElementInformation()`
  Provides information about a new metadata element, not found in ISO 19115, which is required to describe geographic data.
  `OnlineResource`
  `getExtensionOnLineResource()`
  Information about on-line sources containing the community profile name and the extended metadata elements.

- ## Method Details

  - ### getExtensionOnLineResource

    @UML(identifier="extensionOnLineResource", obligation=OPTIONAL, specification=ISO_19115) OnlineResource getExtensionOnLineResource()
    Information about on-line sources containing the community profile name and the extended metadata elements. Information for all new metadata elements.
    Returns:
      On-line sources to community profile name and extended metadata elements.

  - ### getExtendedElementInformation

    @UML(identifier="extendedElementInformation", obligation=OPTIONAL, specification=ISO_19115) Collection<? extends ExtendedElementInformation> getExtendedElementInformation()
    Provides information about a new metadata element, not found in ISO 19115, which is required to describe geographic data.
    Returns:
      New metadata element not found in ISO 19115.