diff --git a/docs/flow-definition.ts b/docs/flow-definition.ts
new file mode 100644
index 00000000..ac4e4b4b
--- /dev/null
+++ b/docs/flow-definition.ts
@@ -0,0 +1,87 @@
+enum EDataType {
+    PRIMITIVE, //number, boolean, text
+    TYPE,
+    OBJECT,
+    DATATYPE,
+    ARRAY,
+    GENERIC,
+    FUNCTION
+}
+
+enum EDataTypeRuleType {
+    REGEX,
+    NUMBER_RANGE,
+    ITEM_OF_COLLECTION,
+    CONTAINS_TYPE,
+    CONTAINS_KEY,
+    //etc
+}
+
+interface Translation {
+    code: string //de_DE
+    text: string
+}
+
+interface DataTypeRule {
+    type: EDataTypeRuleType
+    config: object
+}
+
+interface DataType {
+    name: Translation[]
+    type: EDataType
+    rules?: DataTypeRule[]
+    inputTypes?: DataType[]
+    returnType?: DataType
+    parent?: DataType
+}
+
+const userObject: DataType = {
+    name: [{
+        code: "en_US",
+        text: "User"
+    }],
+    type: EDataType.OBJECT,
+    rules: [{
+        type: EDataTypeRuleType.CONTAINS_KEY,
+        config: {name: "firstname", type: "text", required: true}
+    }, {
+        type: EDataTypeRuleType.CONTAINS_KEY,
+        config: {name: "lastname", type: "text"}
+    }, {
+        type: EDataTypeRuleType.CONTAINS_KEY,
+        config: {name: "email", type: "text"}
+    }, {
+        type: EDataTypeRuleType.CONTAINS_KEY,
+        config: {name: "age", type: "PositiveNumber"}
+    }]
+
+}
+
+const integerArrayType: DataType = {
+    name: [{
+        code: "en_US",
+        text: "IntegerArray"
+    }],
+    type: EDataType.ARRAY,
+    rules: [{
+        type: EDataTypeRuleType.CONTAINS_TYPE,
+        config: {type: "Number"}
+    }]
+}
+
+
+const forLoopFunctionParameterType: DataType = {
+    name: [{
+        code: "en_US",
+        text: "Function"
+    }],
+    type: EDataType.FUNCTION,
+    inputTypes: [{
+        name: [{
+            code: "en_US",
+            text: "item"
+        }],
+        type: EDataType.GENERIC
+    }]
+}