diff --git a/src/lib.rs b/src/lib.rs
index bc3a8f2..e7e10af 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,5 @@
+mod script;
+
 use std::process::Command;
 
 #[allow(dead_code)]
diff --git a/src/script.rs b/src/script.rs
new file mode 100644
index 0000000..b9eaa0e
--- /dev/null
+++ b/src/script.rs
@@ -0,0 +1 @@
+mod parameter;
diff --git a/src/script/parameter.rs b/src/script/parameter.rs
new file mode 100644
index 0000000..e2f5630
--- /dev/null
+++ b/src/script/parameter.rs
@@ -0,0 +1,38 @@
+use std::sync::Arc;
+
+use serde::{Deserialize, Serialize};
+use validation::Validation;
+
+mod validation;
+
+#[derive(Deserialize, Serialize)]
+pub struct Parameter {
+    name: Arc<str>,
+    data_type: DataType,
+    is_array: bool,
+    aliases: Vec<Arc<str>>,
+    description: Option<Arc<str>>,
+    help_message: Option<Arc<str>>,
+    parameter_sets: Vec<ParameterSet>,
+    validations: Vec<Validation>,
+}
+
+#[derive(Deserialize, Serialize)]
+pub struct ParameterSet {
+    name: Arc<str>,
+    mandatory: bool,
+    position: Option<u8>,
+    value_from_pipeline: Option<bool>,
+    value_from_pipeline_by_property_name: Option<bool>,
+}
+
+#[derive(Deserialize, Serialize)]
+pub enum DataType {
+    String,
+    Int32,
+    Int64,
+    Switch,
+    Bool,
+    Credential,
+    SecureString,
+}
diff --git a/src/script/parameter/validation.rs b/src/script/parameter/validation.rs
new file mode 100644
index 0000000..ce61877
--- /dev/null
+++ b/src/script/parameter/validation.rs
@@ -0,0 +1,18 @@
+use std::sync::Arc;
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Deserialize, Serialize)]
+#[serde(tag = "type")]
+pub enum Validation {
+    #[serde(rename = "ValidateNotNullOrEmpty")]
+    NotNullOrEmpty,
+    #[serde(rename = "ValidateRange")]
+    Range { min: i32, max: i32 },
+    #[serde(rename = "ValidateScript")]
+    Script { value: Arc<str> },
+    #[serde(rename = "ValidatePattern")]
+    Pattern { value: Arc<str> },
+    #[serde(rename = "ValidateSet")]
+    Set { values: Vec<Arc<str>> },
+}