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Returns whether the object, camera, material or camera , material emitter, material layer, reflectance, coating, or BSDF is empty (null).

LanguageSyntax
C++bool isNull()

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Code Block
titlePython
CmaxwellObject scene.getObject( 'myobject' );
if object.isNull():
  print( 'Error: -myobject- not exists' );
else:
  printf( "Good news: -myobject- readed successfully" );

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