@morph.variables

@morph.variables(
    var_name: str,
	default: Optional[Any] = None,
	required: Optional[bool] = False,
    type: Optional[Literal["str", "bool", "int", "float", "dict", "list"]] = None,
)
def func_name(context):
	# write your code here

@morph.func
@morph.variables("var1")
def get_data_from_database(context):
	var1_data = context.vars["var1"]
    # write your code here using var1_data
	return pd.DataFrame({})