NetModel

NetModel["name"] obtains a neural net model with the specified name from the Neural Net Repository. 

NetModel[{"name",param1->setting1,…}] obtains a specified model from a parameterized family of models.

NetModel[model,"prop"] gives property prop of the model.

NetModel[] gives a dataset of available pre-trained neural net models.

Please visit the official Wolfram Language Reference for more details and examples on core symbols.