# A3DBIMRootData

struct `A3DBIMRootData`

  Abtraction structure for all BIM entity types.

  > 14.2

  This structure acts as a general purpose data container for all BIM entities. It also acts as a bridge between the BIM API and the model file. The `m_pEntityReference`field links to a 3D entity in the model tree.

  ## Index

  Variables

  - `m_pcGUID`
  - `m_pcName`
  - `m_pcDescription`
  - `m_pcIfcClassName`
  - `m_pEntityReference`

Variables

A3DUTF8Char *`A3DBIMRootData.``m_pcGUID`
  `A3DUTF8Char`*

  A globally unique identifier within the software.

A3DUTF8Char *`A3DBIMRootData.``m_pcName`
  `A3DUTF8Char`*

  The name of the entity.

A3DUTF8Char *`A3DBIMRootData.``m_pcDescription`
  `A3DUTF8Char`*

  Descriptive text used for exchanging informative content.

A3DUTF8Char *`A3DBIMRootData.``m_pcIfcClassName`
  `A3DUTF8Char`*

  The name of the IFC class corresponding to the BIM object.

A3DMiscEntityReference *`A3DBIMRootData.``m_pEntityReference`
  `A3DMiscEntityReference`*

  Reference to an entity within the model file.

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