Methods:
Registers a new custom loss function which can be used as an objective function during model training.
GETdescribeCustomLossFunctionRetrieve a full description of a previously registered custom loss function.
PATCHupdateCustomLossFunctionWithSourceCodeUpdates a previously registered custom loss function with a new function implementation.
DELETEdeleteCustomLossFunctionDeletes a previously registered custom loss function.
GETlistCustomLossFunctionsRetrieves a list of registered custom loss functions and their descriptions.