parameters: (self)
return_statement: return py_str(json_str.value)
docstring: Save symbol into a JSON string.
  
          See Also
          --------
          symbol.load_json : Used to load symbol from JSON string.
docstring_summary: Save symbol into a JSON string.
docstring_tokens: Save symbol into a JSON string .
function: def tojson(self):
          """Save symbol into a JSON string.
  
          See Also
          --------
          symbol.load_json : Used to load symbol from JSON string.
          """
          json_str = ctypes.c_char_p()
          check_call(_LIB.MXSymbolSaveToJSON(self.handle, ctypes.byref(json_str)))
          return py_str(json_str.value)
function_tokens: def tojson ( self ) : json_str = ctypes . c_char_p ( ) check_call ( _LIB . MXSymbolSaveToJSON ( self . handle , ctypes . byref ( json_str ) ) ) return py_str ( json_str . value )