return {
    ast = {
        [001] = {
            _enable = true,
            _id = "if_then_else",
            _params = {
                [001] = {
                    _enable = true,
                    _list = {
                    },
                    _source = "表达式",
                    _type = 4,
                    _valid = true,
                },
                [002] = {
                    _enable = true,
                    _list = {
                    },
                    _source = "表达式",
                    _type = 0,
                    _valid = true,
                },
                [003] = {
                    _enable = true,
                    _list = {
                        [001] = {
                            _enable = true,
                            _id = "if_then_else",
                            _params = {
                                [001] = {
                                    _enable = true,
                                    _list = {
                                    },
                                    _source = "表达式",
                                    _type = 4,
                                    _valid = true,
                                },
                                [002] = {
                                    _enable = true,
                                    _list = {
                                    },
                                    _source = "表达式",
                                    _type = 0,
                                    _valid = true,
                                },
                                [003] = {
                                    _enable = true,
                                    _list = {
                                        [001] = {
                                            _enable = true,
                                            _id = "if_then_else",
                                            _params = {
                                                [001] = {
                                                    _enable = true,
                                                    _list = {
                                                    },
                                                    _source = "表达式",
                                                    _type = 4,
                                                    _valid = true,
                                                },
                                                [002] = {
                                                    _enable = true,
                                                    _list = {
                                                    },
                                                    _source = "表达式",
                                                    _type = 0,
                                                    _valid = true,
                                                },
                                                [003] = {
                                                    _enable = true,
                                                    _list = {
                                                        [001] = {
                                                            _enable = true,
                                                            _id = "set_var",
                                                            _params = {
                                                                [001] = {
                                                                    _enable = true,
                                                                    _source = "变量",
                                                                    _type = 7,
                                                                    _valid = true,
                                                                    _varName = "var_name",
                                                                },
                                                                [002] = {
                                                                    _enable = true,
                                                                    _source = "变量",
                                                                    _type = 8,
                                                                    _valid = true,
                                                                    _varName = "",
                                                                },
                                                                _size = 2,
                                                            },
                                                            _source = "表达式",
                                                            _type = 0,
                                                            _valid = true,
                                                        },
                                                    },
                                                    _source = "表达式",
                                                    _type = 0,
                                                    _valid = true,
                                                },
                                                _size = 3,
                                            },
                                            _source = "表达式",
                                            _type = 0,
                                            _valid = true,
                                        },
                                    },
                                    _source = "表达式",
                                    _type = 0,
                                    _valid = true,
                                },
                                _size = 3,
                            },
                            _source = "表达式",
                            _type = 0,
                            _valid = true,
                        },
                    },
                    _source = "表达式",
                    _type = 0,
                    _valid = true,
                },
                _size = 3,
            },
            _source = "表达式",
            _type = 0,
            _valid = true,
        },
    },
    description = "",
    name = "Trigger001",
}
