diff --git a/src/cfnlint/data/schemas/other/step_functions/statemachine.json b/src/cfnlint/data/schemas/other/step_functions/statemachine.json
index 9a90894720..a9eaacd95a 100644
--- a/src/cfnlint/data/schemas/other/step_functions/statemachine.json
+++ b/src/cfnlint/data/schemas/other/step_functions/statemachine.json
@@ -365,6 +365,9 @@
       "null"
      ]
     },
+    "ResultSelector": {
+     "type": "object"
+    },
     "Retry": {
      "items": {
       "properties": {
@@ -653,6 +656,9 @@
     "Comment": {
      "type": "string"
     },
+    "Credentials": {
+        "type": ["string", "object"]
+    },
     "End": {
      "enum": [
       true
diff --git a/test/unit/rules/resources/stepfunctions/test_state_machine_definition.py b/test/unit/rules/resources/stepfunctions/test_state_machine_definition.py
index c90525cd32..69eecf2e03 100644
--- a/test/unit/rules/resources/stepfunctions/test_state_machine_definition.py
+++ b/test/unit/rules/resources/stepfunctions/test_state_machine_definition.py
@@ -308,6 +308,85 @@ def rule():
             },
             [],
         ),
+        (
+            "Test functions",
+            {
+                "StartAt": "Task1",
+                "States": {
+                    "Task1": {
+                        "Type": "Task",
+                        "Credentials": {
+                            "Data": "input data",
+                            "Algorithm": "SHA-1",
+                        },
+                        "Resource": "arn:aws:states:::batch:submitJob.sync",
+                        "End": True,
+                    },
+                },
+            },
+            [],
+        ),
+        (
+            "Choices",
+            {
+                "StartAt": "ChoiceStateX",
+                "States": {
+                    "ChoiceStateX": {
+                        "Type": "Choice",
+                        "Choices": [
+                            {
+                                "Not": {
+                                    "Variable": "$.type",
+                                    "StringEquals": "Private",
+                                },
+                                "Next": "Public",
+                            },
+                            {
+                                "Variable": "$.value",
+                                "NumericEquals": 0,
+                                "Next": "ValueIsZero",
+                            },
+                            {
+                                "And": [
+                                    {
+                                        "Variable": "$.value",
+                                        "NumericGreaterThanEquals": 20,
+                                    },
+                                    {"Variable": "$.value", "NumericLessThan": 30},
+                                ],
+                                "Next": "ValueInTwenties",
+                            },
+                            {
+                                "Variable": "$.value",
+                                "NumericLessThan": 0,
+                                "Next": "ValueIsNegative",
+                            },
+                        ],
+                        "Default": "DefaultState",
+                    },
+                    "Public": {
+                        "Type": "Task",
+                        "Resource": "arn:aws:lambda:us-east-1:123456789012:function:Foo",
+                        "Next": "NextState",
+                    },
+                    "ValueIsZero": {
+                        "Type": "Task",
+                        "Resource": "arn:aws:lambda:us-east-1:123456789012:function:Zero",
+                        "Next": "NextState",
+                    },
+                    "ValueInTwenties": {
+                        "Type": "Task",
+                        "Resource": "arn:aws:lambda:us-east-1:123456789012:function:Bar",
+                        "Next": "NextState",
+                    },
+                    "ValueIsNegative": {
+                        "Type": "Succeed",
+                    },
+                    "DefaultState": {"Type": "Fail", "Cause": "No Matches!"},
+                },
+            },
+            [],
+        ),
         (
             "Invalid configuration",
             {