# A3DBIMDataData

struct `A3DBIMDataData`

  Entry point for BIM Data.

  > 14.2

  The `A3DBIMData`entity is contained within a model file entity as long as:

  - The originating file is IFC and
  - Upon reading, `A3DRWParamsIFCData::m_bReadRelationships`is set to `A3D_TRUE`.

  This structure contains all read BIM data from the input file

  `A3DBIMData`entities mainly contains relationships. BIM relationships are stored in a sequential array where each element is abstracted away behind the `A3DBIMRelationship`entity. To retrieve the actual relationship type of the entity, use `A3DEntityGet()`.

  > A3DBimDataGet

  > `A3DAsmModelFileData`

  > A3DEntityGet

  ## Index

  Variables

  - `m_uiRelationshipSize`
  - `m_ppRelationships`
  - `m_PProject`

Variables

A3DUns32 `A3DBIMDataData.``m_uiRelationshipSize`
  `A3DUns32`

  The size of `m_ppRelationships`

A3DBIMRelationship **`A3DBIMDataData.``m_ppRelationships`
  `A3DBIMRelationship`**

  List of BIM relationships.

A3DBIMProject *`A3DBIMDataData.``m_PProject`
  `A3DBIMProject`*

  Project address.

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