diff --git a/src/ytdl_sub/script/script.py b/src/ytdl_sub/script/script.py
index 12c2ee0a..727f29d1 100644
--- a/src/ytdl_sub/script/script.py
+++ b/src/ytdl_sub/script/script.py
@@ -6,21 +6,36 @@ from typing import Set
 
 from ytdl_sub.script.functions import Functions
 from ytdl_sub.script.parser import parse
+from ytdl_sub.script.script_output import ScriptOutput
 from ytdl_sub.script.types.resolvable import Lambda
 from ytdl_sub.script.types.resolvable import Resolvable
 from ytdl_sub.script.types.syntax_tree import SyntaxTree
 from ytdl_sub.script.types.variable import Variable
 from ytdl_sub.script.utils.exceptions import UNREACHABLE
 from ytdl_sub.script.utils.exceptions import CycleDetected
+from ytdl_sub.script.utils.exceptions import FunctionDoesNotExist
 from ytdl_sub.script.utils.exceptions import IncompatibleFunctionArguments
 from ytdl_sub.script.utils.exceptions import InvalidCustomFunctionArguments
 from ytdl_sub.script.utils.exceptions import RuntimeException
+from ytdl_sub.script.utils.exceptions import ScriptBuilderMissingDefinitions
+from ytdl_sub.script.utils.exceptions import VariableDoesNotExist
 from ytdl_sub.script.utils.name_validation import validate_variable_name
 from ytdl_sub.script.utils.type_checking import FunctionSpec
 
 # pylint: disable=missing-raises-doc
 
 
+def _is_function(override_name: str):
+    return override_name.startswith("%")
+
+
+def _function_name(function_key: str) -> str:
+    """
+    Drop the % in %custom_function
+    """
+    return function_key[1:]
+
+
 class Script:
     """
     Takes a dictionary of both
@@ -29,17 +44,6 @@ class Script:
         ``{ %custom_function: syntax }``
     """
 
-    @classmethod
-    def _is_function(cls, override_name: str):
-        return override_name.startswith("%")
-
-    @classmethod
-    def _function_name(cls, function_key: str) -> str:
-        """
-        Drop the % in %custom_function
-        """
-        return function_key[1:]
-
     def _ensure_no_cycle(
         self, name: str, dep: str, deps: List[str], definitions: Dict[str, SyntaxTree]
     ):
@@ -205,23 +209,23 @@ class Script:
 
     def __init__(self, script: Dict[str, str]):
         function_names: Set[str] = {
-            self._function_name(name) for name in script.keys() if self._is_function(name)
+            _function_name(name) for name in script.keys() if _is_function(name)
         }
         variable_names: Set[str] = {
-            validate_variable_name(name) for name in script.keys() if not self._is_function(name)
+            validate_variable_name(name) for name in script.keys() if not _is_function(name)
         }
 
         self._functions: Dict[str, SyntaxTree] = {
             # custom_function_name must be passed to properly type custom function
             # arguments uniquely if they're nested (i.e. $0 to $custom_func___0)
-            self._function_name(function_key): parse(
+            _function_name(function_key): parse(
                 text=function_value,
-                name=self._function_name(function_key),
+                name=_function_name(function_key),
                 custom_function_names=function_names,
                 variable_names=variable_names,
             )
             for function_key, function_value in script.items()
-            if self._is_function(function_key)
+            if _is_function(function_key)
         }
 
         self._variables: Dict[str, SyntaxTree] = {
@@ -232,7 +236,7 @@ class Script:
                 variable_names=variable_names,
             )
             for variable_key, variable_value in script.items()
-            if not self._is_function(variable_key)
+            if not _is_function(variable_key)
         }
         self._validate()
 
@@ -245,7 +249,7 @@ class Script:
         resolved: Optional[Dict[str, Resolvable]] = None,
         unresolvable: Optional[Set[str]] = None,
         update: bool = False,
-    ) -> Dict[str, Resolvable]:
+    ) -> ScriptOutput:
         """
         Parameters
         ----------
@@ -302,7 +306,7 @@ class Script:
         if update:
             self._update_internally(resolved_variables=resolved_variables)
 
-        return resolved_variables
+        return ScriptOutput(resolved_variables)
 
     def add(self, variables: Dict[str, str]) -> "Script":
         for variable_name, variable_definition in variables.items():
@@ -325,3 +329,99 @@ class Script:
             return resolvable
 
         raise RuntimeException(f"Tried to get unresolved variable {variable_name}")
+
+
+class ScriptBuilder:
+    """
+    Takes a dictionary of both
+        ``{ variable_names: syntax }``
+    and
+        ``{ %custom_function: syntax }``
+    """
+
+    def __init__(self, script: Dict[str, str]):
+        self._functions: Dict[str, SyntaxTree] = {
+            # custom_function_name must be passed to properly type custom function
+            # arguments uniquely if they're nested (i.e. $0 to $custom_func___0)
+            _function_name(function_key): parse(
+                text=function_value,
+                name=_function_name(function_key),
+            )
+            for function_key, function_value in script.items()
+            if _is_function(function_key)
+        }
+
+        self._variables: Dict[str, SyntaxTree] = {
+            variable_key: parse(
+                text=variable_value,
+                name=variable_key,
+            )
+            for variable_key, variable_value in script.items()
+            if not _is_function(variable_key)
+        }
+
+    def add(self, variables: Dict[str, str]) -> "ScriptBuilder":
+        for variable_name, variable_definition in variables.items():
+            self._variables[variable_name] = parse(
+                text=variable_definition,
+                name=variable_name,
+            )
+        return self
+
+    @property
+    def _missing_metadata(self) -> Dict[str, Set[str]]:
+        missing_metadata: Dict[str, Set[str]] = {}
+
+        defined_variables: Set[str] = set(self._variables.keys())
+        defined_functions: Set[str] = set(self._functions.keys())
+        for name, variable in self._variables.items():
+            missing_metadata[name] = {var.name for var in variable.variables}.difference(
+                defined_variables
+            )
+            missing_metadata[name].update(
+                {fun.name for fun in variable.custom_functions}.difference(defined_functions)
+            )
+
+        for name, function in self._functions.items():
+            missing_metadata[name] = {var.name for var in function.variables}.difference(
+                defined_variables
+            )
+            missing_metadata[name].update(
+                {fun.name for fun in function.custom_functions}.difference(defined_functions)
+            )
+
+        return missing_metadata
+
+    @classmethod
+    def _build(cls, variables: Dict[str, SyntaxTree], functions: Dict[str, SyntaxTree]) -> Script:
+        script = Script({})
+        script._variables = variables
+        script._functions = functions
+        script._validate()
+        return script
+
+    def partial_build(self) -> Script:
+        missing_metadata = self._missing_metadata
+        maybe_resolvable_variables: Dict[str, SyntaxTree] = {
+            name: variable
+            for name, variable in self._variables.items()
+            if name not in missing_metadata
+        }
+        maybe_resolvable_functions: Dict[str, SyntaxTree] = {
+            name: function
+            for name, function in self._functions.items()
+            if name not in missing_metadata
+        }
+
+        return self._build(
+            variables=maybe_resolvable_variables, functions=maybe_resolvable_functions
+        )
+
+    def build(self) -> Script:
+        for name, missing_metadata in self._missing_metadata.items():
+            if missing_metadata:
+                raise ScriptBuilderMissingDefinitions(
+                    f"{name} is missing the following definitions: {', '.join(missing_metadata)}"
+                )
+
+        return self._build(variables=self._variables, functions=self._functions)
diff --git a/src/ytdl_sub/script/script_output.py b/src/ytdl_sub/script/script_output.py
new file mode 100644
index 00000000..834c9044
--- /dev/null
+++ b/src/ytdl_sub/script/script_output.py
@@ -0,0 +1,25 @@
+from dataclasses import dataclass
+from typing import Any
+from typing import Dict
+
+from ytdl_sub.script.types.resolvable import Resolvable
+
+
+@dataclass(frozen=True)
+class ScriptOutput:
+    output: Dict[str, Resolvable]
+
+    def as_resolvable(self) -> Dict[str, Resolvable]:
+        return self.output
+
+    def as_native(self) -> Dict[str, Any]:
+        return {name: out.native for name, out in self.output.items()}
+
+    def get(self, name: str) -> Resolvable:
+        return self.output[name]
+
+    def get_native(self, name: str) -> Any:
+        return self.output[name].native
+
+    def get_str(self, name: str) -> str:
+        return str(self.output[name])
diff --git a/src/ytdl_sub/script/utils/exceptions.py b/src/ytdl_sub/script/utils/exceptions.py
index fdf95545..08eadaeb 100644
--- a/src/ytdl_sub/script/utils/exceptions.py
+++ b/src/ytdl_sub/script/utils/exceptions.py
@@ -42,6 +42,10 @@ class VariableDoesNotExist(UserException):
     """Tried to use a variable that does not exist"""
 
 
+class ScriptBuilderMissingDefinitions(UserException):
+    """Tried to build an incomplete ScriptBuilder"""
+
+
 class CycleDetected(UserException):
     """A cycle exists within a user's script"""
 
diff --git a/tests/unit/script/conftest.py b/tests/unit/script/conftest.py
index 2b3e4f49..951f5aff 100644
--- a/tests/unit/script/conftest.py
+++ b/tests/unit/script/conftest.py
@@ -9,7 +9,6 @@ def single_variable_output(script: str):
             }
         )
         .resolve(update=True)
-        .get("output")
-        .native
+        .get_native("output")
     )
     return output
diff --git a/tests/unit/script/test_script.py b/tests/unit/script/test_script.py
index 36a335a7..0b86e2be 100644
--- a/tests/unit/script/test_script.py
+++ b/tests/unit/script/test_script.py
@@ -1,4 +1,5 @@
 from ytdl_sub.script.script import Script
+from ytdl_sub.script.script_output import ScriptOutput
 from ytdl_sub.script.types.map import Map
 from ytdl_sub.script.types.resolvable import String
 
@@ -12,11 +13,13 @@ class TestScript:
                 "bb": "b",
                 "cc": "{%custom_func(aa, bb)}",
             }
-        ).resolve(resolved={"bb": String("bb_override")}) == {
-            "aa": String("a"),
-            "bb": String("bb_override"),
-            "cc": String('return ["a", "bb_override"]'),
-        }
+        ).resolve(resolved={"bb": String("bb_override")}) == ScriptOutput(
+            {
+                "aa": String("a"),
+                "bb": String("bb_override"),
+                "cc": String('return ["a", "bb_override"]'),
+            }
+        )
 
     def test_partial_resolve(self):
         assert Script(
@@ -26,7 +29,7 @@ class TestScript:
                 "bb": "b",
                 "cc": "{%custom_func(aa, bb)}",
             }
-        ).resolve(unresolvable={"bb"}) == {"aa": String("a")}
+        ).resolve(unresolvable={"bb"}) == ScriptOutput({"aa": String("a")})
 
     def test_partial_update_script(self):
         # to be resolved later
diff --git a/tests/unit/script/test_script_builder.py b/tests/unit/script/test_script_builder.py
new file mode 100644
index 00000000..87f06b3f
--- /dev/null
+++ b/tests/unit/script/test_script_builder.py
@@ -0,0 +1,54 @@
+import re
+
+import pytest
+
+from ytdl_sub.script.script import Script
+from ytdl_sub.script.script import ScriptBuilder
+from ytdl_sub.script.types.map import Map
+from ytdl_sub.script.types.resolvable import String
+from ytdl_sub.script.utils.exceptions import ScriptBuilderMissingDefinitions
+from ytdl_sub.script.utils.exceptions import VariableDoesNotExist
+
+
+class TestScriptBuilder:
+    def test_partial_update_script(self):
+        # to be resolved later
+        entry_map = Map({String("title"): String("the title")})
+
+        script = ScriptBuilder(
+            {
+                "entry": "{ {} }",
+                "title": "{%map_get(entry, 'title')}",
+                "resolved_override": "{override} mom",
+            }
+        )
+
+        assert script.partial_build().resolve()
+
+        with pytest.raises(
+            ScriptBuilderMissingDefinitions,
+            match=re.escape("resolved_override is missing the following definitions: override"),
+        ):
+            script.build()
+
+        script.add({"override": "hi"})
+
+        script.build()
+
+        # script.resolve(unresolvable={"entry"}, update=True)
+        # assert script.get("override") == String("hi")
+        # assert script.get("resolved_override") == String("hi mom")
+        #
+        # script.add(
+        #     {
+        #         "new_variable_titlecase": "{%titlecase(new_variable_upper)}",
+        #         "new_variable": "{resolved_override} {title}",
+        #         "new_variable_upper": "{%upper(new_variable)}",
+        #     }
+        # ).resolve(resolved={"entry": entry_map}, update=True)
+        #
+        # assert script.get("title") == String("the title")
+        # assert script.get("new_variable") == String("hi mom the title")
+        # assert script.get("new_variable_upper") == String("HI MOM THE TITLE")
+        # assert script.get("new_variable_titlecase") == String("Hi Mom The Title")
+        # assert script.get("entry") == entry_map
diff --git a/tests/unit/script/types/test_array.py b/tests/unit/script/types/test_array.py
index 3b8fe1e2..837f5217 100644
--- a/tests/unit/script/types/test_array.py
+++ b/tests/unit/script/types/test_array.py
@@ -6,6 +6,7 @@ from ytdl_sub.script.parser import _UNEXPECTED_CHAR_ARGUMENT
 from ytdl_sub.script.parser import _UNEXPECTED_COMMA_ARGUMENT
 from ytdl_sub.script.parser import ParsedArgType
 from ytdl_sub.script.script import Script
+from ytdl_sub.script.script_output import ScriptOutput
 from ytdl_sub.script.types.array import Array
 from ytdl_sub.script.types.resolvable import Float
 from ytdl_sub.script.types.resolvable import String
@@ -14,33 +15,35 @@ from ytdl_sub.script.utils.exceptions import InvalidSyntaxException
 
 class TestArray:
     def test_return(self):
-        assert Script({"array": "{['a', 3.14]}"}).resolve() == {
-            "array": Array([String("a"), Float(3.14)])
-        }
+        assert Script({"array": "{['a', 3.14]}"}).resolve() == ScriptOutput(
+            {"array": Array([String("a"), Float(3.14)])}
+        )
 
     def test_return_as_str(self):
-        assert Script({"array": "str: {['a', 3.14]}"}).resolve() == {
-            "array": String('str: ["a", 3.14]')
-        }
+        assert Script({"array": "str: {['a', 3.14]}"}).resolve() == ScriptOutput(
+            {"array": String('str: ["a", 3.14]')}
+        )
 
     def test_nested_array(self):
         assert Script(
             {"array": "{['level1', ['level2', ['level3', 'level3'], 'level2'], 'level1']}"}
-        ).resolve() == {
-            "array": Array(
-                [
-                    String("level1"),
-                    Array(
-                        [
-                            String("level2"),
-                            Array([String("level3"), String("level3")]),
-                            String("level2"),
-                        ],
-                    ),
-                    String("level1"),
-                ]
-            )
-        }
+        ).resolve() == ScriptOutput(
+            {
+                "array": Array(
+                    [
+                        String("level1"),
+                        Array(
+                            [
+                                String("level2"),
+                                Array([String("level3"), String("level3")]),
+                                String("level2"),
+                            ],
+                        ),
+                        String("level1"),
+                    ]
+                )
+            }
+        )
 
     @pytest.mark.parametrize(
         "array",
@@ -52,7 +55,7 @@ class TestArray:
         ],
     )
     def test_empty(self, array: str):
-        assert Script({"array": array}).resolve() == {"array": Array([])}
+        assert Script({"array": array}).resolve() == ScriptOutput({"array": Array([])})
 
     @pytest.mark.parametrize(
         "array",
@@ -111,4 +114,6 @@ class TestArray:
                 "bb": "b",
                 "cc": "{%custom_func(aa, bb)}",
             }
-        ).resolve() == {"aa": String("a"), "bb": String("b"), "cc": String('return ["a", "b"]')}
+        ).resolve() == ScriptOutput(
+            {"aa": String("a"), "bb": String("b"), "cc": String('return ["a", "b"]')}
+        )
diff --git a/tests/unit/script/types/test_bool.py b/tests/unit/script/types/test_bool.py
index 255a095e..5de7ddb1 100644
--- a/tests/unit/script/types/test_bool.py
+++ b/tests/unit/script/types/test_bool.py
@@ -4,6 +4,7 @@ import pytest
 
 from ytdl_sub.script.parser import BOOLEAN_ONLY_ARGS
 from ytdl_sub.script.script import Script
+from ytdl_sub.script.script_output import ScriptOutput
 from ytdl_sub.script.types.resolvable import Boolean
 from ytdl_sub.script.types.resolvable import String
 from ytdl_sub.script.utils.exceptions import InvalidSyntaxException
@@ -33,10 +34,14 @@ class TestBool:
         ],
     )
     def test_boolean(self, boolean: bool, expected_boolean: bool):
-        assert Script({"boolean": boolean, "as_string": "{%string(boolean)}"}).resolve() == {
-            "boolean": Boolean(expected_boolean),
-            "as_string": String(str(expected_boolean)),
-        }
+        assert Script(
+            {"boolean": boolean, "as_string": "{%string(boolean)}"}
+        ).resolve() == ScriptOutput(
+            {
+                "boolean": Boolean(expected_boolean),
+                "as_string": String(str(expected_boolean)),
+            }
+        )
 
     @pytest.mark.parametrize(
         "to_cast, expected_bool",
@@ -56,4 +61,6 @@ class TestBool:
         ],
     )
     def test_cast_as_bool(self, to_cast: str, expected_bool: bool):
-        assert Script({"as_bool": to_cast}).resolve() == {"as_bool": Boolean(expected_bool)}
+        assert Script({"as_bool": to_cast}).resolve() == ScriptOutput(
+            {"as_bool": Boolean(expected_bool)}
+        )
diff --git a/tests/unit/script/types/test_custom_function.py b/tests/unit/script/types/test_custom_function.py
index ed59fa05..4e846a1b 100644
--- a/tests/unit/script/types/test_custom_function.py
+++ b/tests/unit/script/types/test_custom_function.py
@@ -4,6 +4,7 @@ import pytest
 
 from ytdl_sub.script.parser import CUSTOM_FUNCTION_ARGUMENTS_ONLY_ARGS
 from ytdl_sub.script.script import Script
+from ytdl_sub.script.script_output import ScriptOutput
 from ytdl_sub.script.types.resolvable import Integer
 from ytdl_sub.script.utils.exceptions import CycleDetected
 from ytdl_sub.script.utils.exceptions import FunctionDoesNotExist
@@ -19,7 +20,7 @@ class TestCustomFunction:
                 "%custom_square": "{%mul($0, $0)}",
                 "output": "{%custom_square(3)}",
             }
-        ).resolve() == {"output": Integer(9)}
+        ).resolve() == ScriptOutput({"output": Integer(9)})
 
     def test_custom_function_cycle(self):
         with pytest.raises(
diff --git a/tests/unit/script/types/test_float.py b/tests/unit/script/types/test_float.py
index 1328c5b1..4056488a 100644
--- a/tests/unit/script/types/test_float.py
+++ b/tests/unit/script/types/test_float.py
@@ -5,6 +5,7 @@ import pytest
 from ytdl_sub.script.parser import NUMERICS_INVALID_CHAR
 from ytdl_sub.script.parser import NUMERICS_ONLY_ARGS
 from ytdl_sub.script.script import Script
+from ytdl_sub.script.script_output import ScriptOutput
 from ytdl_sub.script.types.resolvable import Boolean
 from ytdl_sub.script.types.resolvable import Float
 from ytdl_sub.script.types.resolvable import String
@@ -39,10 +40,12 @@ class TestFloat:
         ],
     )
     def test_float(self, float_: str, expected_float: int):
-        assert Script({"out": float_, "as_string": "{%string(out)}"}).resolve() == {
-            "out": Float(expected_float),
-            "as_string": String(str(expected_float)),
-        }
+        assert Script({"out": float_, "as_string": "{%string(out)}"}).resolve() == ScriptOutput(
+            {
+                "out": Float(expected_float),
+                "as_string": String(str(expected_float)),
+            }
+        )
 
     @pytest.mark.parametrize(
         "float_",
@@ -71,4 +74,6 @@ class TestFloat:
         ],
     )
     def test_cast_as_float(self, to_cast: str, expected_float: float):
-        assert Script({"as_float": to_cast}).resolve() == {"as_float": Float(expected_float)}
+        assert Script({"as_float": to_cast}).resolve() == ScriptOutput(
+            {"as_float": Float(expected_float)}
+        )
diff --git a/tests/unit/script/types/test_integer.py b/tests/unit/script/types/test_integer.py
index 8e49d722..18747e11 100644
--- a/tests/unit/script/types/test_integer.py
+++ b/tests/unit/script/types/test_integer.py
@@ -5,6 +5,7 @@ import pytest
 from ytdl_sub.script.parser import NUMERICS_INVALID_CHAR
 from ytdl_sub.script.parser import NUMERICS_ONLY_ARGS
 from ytdl_sub.script.script import Script
+from ytdl_sub.script.script_output import ScriptOutput
 from ytdl_sub.script.types.resolvable import Boolean
 from ytdl_sub.script.types.resolvable import Integer
 from ytdl_sub.script.types.resolvable import String
@@ -39,10 +40,14 @@ class TestInteger:
         ],
     )
     def test_integer(self, integer: str, expected_integer: int):
-        assert Script({"integer": integer, "as_string": "{%string(integer)}"}).resolve() == {
-            "integer": Integer(expected_integer),
-            "as_string": String(str(expected_integer)),
-        }
+        assert Script(
+            {"integer": integer, "as_string": "{%string(integer)}"}
+        ).resolve() == ScriptOutput(
+            {
+                "integer": Integer(expected_integer),
+                "as_string": String(str(expected_integer)),
+            }
+        )
 
     @pytest.mark.parametrize(
         "integer",
@@ -71,4 +76,6 @@ class TestInteger:
         ],
     )
     def test_cast_as_integer(self, to_cast: str, expected_int: int):
-        assert Script({"as_int": to_cast}).resolve() == {"as_int": Integer(expected_int)}
+        assert Script({"as_int": to_cast}).resolve() == ScriptOutput(
+            {"as_int": Integer(expected_int)}
+        )
diff --git a/tests/unit/script/types/test_lambda_function.py b/tests/unit/script/types/test_lambda_function.py
index 9eae411a..379c2207 100644
--- a/tests/unit/script/types/test_lambda_function.py
+++ b/tests/unit/script/types/test_lambda_function.py
@@ -3,6 +3,7 @@ import re
 import pytest
 
 from ytdl_sub.script.script import Script
+from ytdl_sub.script.script_output import ScriptOutput
 from ytdl_sub.script.types.array import Array
 from ytdl_sub.script.types.resolvable import Integer
 from ytdl_sub.script.utils.exceptions import IncompatibleFunctionArguments
@@ -12,7 +13,7 @@ class TestLambdaFunction:
     def test_lambda_with_custom_function(self):
         assert Script(
             {"%times_two": "{%mul($0, 2)}", "wip": "{%array_apply([1, 2, 3], %times_two)}"}
-        ).resolve() == {"wip": Array([Integer(2), Integer(4), Integer(6)])}
+        ).resolve() == ScriptOutput({"wip": Array([Integer(2), Integer(4), Integer(6)])})
 
     def test_conditional_lambda_with_custom_functions(self):
         assert Script(
@@ -21,7 +22,7 @@ class TestLambdaFunction:
                 "%times_two": "{%mul($0, 2)}",
                 "wip": "{%array_apply([1, 2, 3], %if(False, %times_two, %times_three))}",
             }
-        ).resolve() == {"wip": Array([Integer(3), Integer(6), Integer(9)])}
+        ).resolve() == ScriptOutput({"wip": Array([Integer(3), Integer(6), Integer(9)])})
 
     def test_nested_custom_functions(self):
         assert Script(
@@ -30,7 +31,7 @@ class TestLambdaFunction:
                 "%times_two": "{%mul($0, 2)}",
                 "identity": "{%times_three(%times_two(1))}",
             }
-        ).resolve() == {"identity": Integer(6)}
+        ).resolve() == ScriptOutput({"identity": Integer(6)})
 
     def test_nested_custom_functions_within_custom_functions(self):
         assert Script(
@@ -40,7 +41,7 @@ class TestLambdaFunction:
                 "%power_4": "{%mul(%power_3($0), 2)}",
                 "power_of_4": "{%power_4(2)}",
             }
-        ).resolve() == {"power_of_4": Integer(16)}
+        ).resolve() == ScriptOutput({"power_of_4": Integer(16)})
 
     def test_nested_lambda_custom_functions_within_custom_functions(self):
         assert Script(
@@ -51,7 +52,7 @@ class TestLambdaFunction:
                 "%nest1": "{%array_at(%array_apply([$0], %nest2), 0)}",
                 "output": "{%array_at(%array_apply([2], %nest1), 0)}",
             }
-        ).resolve() == {"output": Integer(4)}
+        ).resolve() == ScriptOutput({"output": Integer(4)})
 
 
 class TestLambdaFunctionIncompatibleNumArguments:
diff --git a/tests/unit/script/types/test_map.py b/tests/unit/script/types/test_map.py
index 607cf335..10faa962 100644
--- a/tests/unit/script/types/test_map.py
+++ b/tests/unit/script/types/test_map.py
@@ -10,6 +10,7 @@ from ytdl_sub.script.parser import MAP_KEY_WITH_NO_VALUE
 from ytdl_sub.script.parser import MAP_MISSING_KEY
 from ytdl_sub.script.parser import ParsedArgType
 from ytdl_sub.script.script import Script
+from ytdl_sub.script.script_output import ScriptOutput
 from ytdl_sub.script.types.map import Map
 from ytdl_sub.script.types.resolvable import Float
 from ytdl_sub.script.types.resolvable import String
@@ -19,14 +20,14 @@ from ytdl_sub.script.utils.exceptions import KeyNotHashableRuntimeException
 
 class TestMap:
     def test_return(self):
-        assert Script({"map": "{{'a': 3.14}}"}).resolve() == {
-            "map": Map({String("a"): Float(3.14)})
-        }
+        assert Script({"map": "{{'a': 3.14}}"}).resolve() == ScriptOutput(
+            {"map": Map({String("a"): Float(3.14)})}
+        )
 
     def test_return_as_str(self):
-        assert Script({"map": "json: {{'a': 3.14}}"}).resolve() == {
-            "map": String('json: {"a": 3.14}')
-        }
+        assert Script({"map": "json: {{'a': 3.14}}"}).resolve() == ScriptOutput(
+            {"map": String('json: {"a": 3.14}')}
+        )
 
     def test_nested_map(self):
         map_str = """{
@@ -44,26 +45,28 @@ class TestMap:
             }
         }"""
 
-        assert Script({"map": map_str}).resolve() == {
-            "map": Map(
-                {
-                    String("level1"): Map(
-                        {
-                            String("level2"): Map(
-                                {
-                                    String("level3"): Map(
-                                        {String("level4_key"): String("level4_value")}
-                                    ),
-                                    String("level3_key"): String("level3_value"),
-                                }
-                            ),
-                            String("level2_key"): String("level2_value"),
-                        }
-                    ),
-                    String("level1_key"): String("level1_value"),
-                }
-            )
-        }
+        assert Script({"map": map_str}).resolve() == ScriptOutput(
+            {
+                "map": Map(
+                    {
+                        String("level1"): Map(
+                            {
+                                String("level2"): Map(
+                                    {
+                                        String("level3"): Map(
+                                            {String("level4_key"): String("level4_value")}
+                                        ),
+                                        String("level3_key"): String("level3_value"),
+                                    }
+                                ),
+                                String("level2_key"): String("level2_value"),
+                            }
+                        ),
+                        String("level1_key"): String("level1_value"),
+                    }
+                )
+            }
+        )
 
     @pytest.mark.parametrize(
         "empty_map",
@@ -75,7 +78,7 @@ class TestMap:
         ],
     )
     def test_empty_map(self, empty_map: str):
-        assert Script({"map": empty_map}).resolve() == {"map": Map({})}
+        assert Script({"map": empty_map}).resolve() == ScriptOutput({"map": Map({})})
 
     @pytest.mark.parametrize(
         "map",
@@ -166,10 +169,12 @@ class TestMap:
                 "map": "{{key_variable : 'value' }}",
                 "key_variable": "hashable",
             }
-        ).resolve() == {
-            "key_variable": String("hashable"),
-            "map": Map({String("hashable"): String("value")}),
-        }
+        ).resolve() == ScriptOutput(
+            {
+                "key_variable": String("hashable"),
+                "map": Map({String("hashable"): String("value")}),
+            }
+        )
 
     def test_map_key_is_non_hashable_variable(self):
         with pytest.raises(
diff --git a/tests/unit/script/types/test_string.py b/tests/unit/script/types/test_string.py
index 6fc990ba..1e5b5d1b 100644
--- a/tests/unit/script/types/test_string.py
+++ b/tests/unit/script/types/test_string.py
@@ -5,6 +5,7 @@ import pytest
 from ytdl_sub.script.parser import STRINGS_NOT_CLOSED
 from ytdl_sub.script.parser import STRINGS_ONLY_ARGS
 from ytdl_sub.script.script import Script
+from ytdl_sub.script.script_output import ScriptOutput
 from ytdl_sub.script.types.resolvable import String
 from ytdl_sub.script.utils.exceptions import InvalidSyntaxException
 
@@ -46,7 +47,7 @@ class TestString:
         ],
     )
     def test_string(self, string: str, expected_string: str):
-        assert Script({"out": string}).resolve() == {"out": String(expected_string)}
+        assert Script({"out": string}).resolve() == ScriptOutput({"out": String(expected_string)})
 
     @pytest.mark.parametrize(
         "string",
diff --git a/tests/unit/script/types/test_variable.py b/tests/unit/script/types/test_variable.py
index 59eb6f66..526e1476 100644
--- a/tests/unit/script/types/test_variable.py
+++ b/tests/unit/script/types/test_variable.py
@@ -3,6 +3,7 @@ import re
 import pytest
 
 from ytdl_sub.script.script import Script
+from ytdl_sub.script.script_output import ScriptOutput
 from ytdl_sub.script.types.resolvable import String
 from ytdl_sub.script.utils.exceptions import CycleDetected
 from ytdl_sub.script.utils.exceptions import InvalidVariableName
@@ -11,25 +12,31 @@ from ytdl_sub.script.utils.exceptions import VariableDoesNotExist
 
 class TestVariable:
     def test_simple(self):
-        assert Script({"a": "a", "b": "{b_}", "b_": "b"}).resolve() == {
-            "a": String("a"),
-            "b": String("b"),
-            "b_": String("b"),
-        }
+        assert Script({"a": "a", "b": "{b_}", "b_": "b"}).resolve() == ScriptOutput(
+            {
+                "a": String("a"),
+                "b": String("b"),
+                "b_": String("b"),
+            }
+        )
 
     def test_multiple_variables(self):
-        assert Script({"a": "a", "b": "b", "b_": "  {a}  {b}  "}).resolve() == {
-            "a": String("a"),
-            "b": String("b"),
-            "b_": String("  a  b  "),
-        }
+        assert Script({"a": "a", "b": "b", "b_": "  {a}  {b}  "}).resolve() == ScriptOutput(
+            {
+                "a": String("a"),
+                "b": String("b"),
+                "b_": String("  a  b  "),
+            }
+        )
 
     def test_simple_with_function(self):
-        assert Script({"a": "a", "b": "{%capitalize(b_)}", "b_": "b"}).resolve() == {
-            "a": String("a"),
-            "b": String("B"),
-            "b_": String("b"),
-        }
+        assert Script({"a": "a", "b": "{%capitalize(b_)}", "b_": "b"}).resolve() == ScriptOutput(
+            {
+                "a": String("a"),
+                "b": String("B"),
+                "b_": String("b"),
+            }
+        )
 
     def test_simple_cycle(self):
         with pytest.raises(