Returns

This function returns the unparsed string form of the value associated with one of the following keys:

AM_SUCCESS

If no error is detected.

AM_INVALID_ARGUMENT

If the properties, key, or value_ptr argument is NULL.

AM_NOT_FOUND

If the specified key has no associated value and a default value is not provided.

AM_INVALID_VALUE

If the value associated with the specified key is cannot be parsed as required by the particular accessor function.

AM_NO_MEMORY

If insufficient memory is available to look up the key.