diff --git a/preview_test.go b/preview_test.go
index 59a8761..f9817ab 100644
--- a/preview_test.go
+++ b/preview_test.go
@@ -76,6 +76,39 @@ func Test_Extract(t *testing.T) {
 				"numerical": ap().value("5"),
 			},
 		},
+		{
+			name: "chain-no-inputs",
+			dir:  "chain",
+			input: preview.Input{
+				ParameterValues: map[string]string{},
+			},
+			expTags:     map[string]string{},
+			unknownTags: []string{},
+			params: map[string]assertParam{
+				"git_repo": apWithDiags().errorDiagnostics("Required"),
+			},
+		},
+		{
+			name: "chain-inputs",
+			dir:  "chain",
+			input: preview.Input{
+				ParameterValues: map[string]string{
+					"git_repo":     "coder/coder",
+					"ide_selector": `["goland"]`,
+					"cpu_cores":    "4",
+				},
+			},
+			expTags:     map[string]string{},
+			unknownTags: []string{},
+			params: map[string]assertParam{
+				"git_repo": ap().
+					value("coder/coder"),
+				"ide_selector": ap().
+					value(`["GoLand"]`),
+				"cpu_cores": ap().valueType(provider.OptionTypeNumber).
+					value("4"),
+			},
+		},
 		{
 			name:        "conditional-no-inputs",
 			dir:         "conditional",
@@ -597,6 +630,12 @@ func (a assertParam) noDiagnostics() assertParam {
 	})
 }
 
+func (a assertParam) valueType(exp provider.OptionType) assertParam {
+	return a.extend(func(t *testing.T, parameter types.Parameter) {
+		assert.Equal(t, exp, parameter.Type, "parameter value type equality check")
+	})
+}
+
 func (a assertParam) formType(exp provider.ParameterFormType) assertParam {
 	return a.extend(func(t *testing.T, parameter types.Parameter) {
 		assert.Equal(t, exp, parameter.FormType, "parameter form type equality check")
diff --git a/testdata/chain/main.tf b/testdata/chain/main.tf
new file mode 100644
index 0000000..24911c3
--- /dev/null
+++ b/testdata/chain/main.tf
@@ -0,0 +1,95 @@
+terraform {
+  required_providers {
+    coder = {
+      source = "coder/coder"
+      version = "2.5.3"
+    }
+  }
+}
+
+locals {
+  ides = [
+    "VS Code",
+    "JetBrains IntelliJ",
+    "GoLand",
+    "WebStorm",
+    "PyCharm",
+    "Databricks",
+    "Jupyter Notebook",
+  ]
+
+  is_ml_repo = data.coder_parameter.git_repo == "coder/mlkit"
+
+  selected = try(jsondecode(data.coder_parameter.ide_selector[0].value), [])
+}
+
+
+data "coder_parameter" "git_repo" {
+  name = "git_repo"
+  display_name = "Git repo"
+  description = "Select a git repo to work on."
+  order = 1
+  mutable = true
+  type = "string"
+  form_type = "dropdown"
+
+  option {
+    # A Go-heavy repository
+    name = "coder/coder"
+    value = "coder/coder"
+  }
+
+  option {
+    # A python-heavy repository
+    name = "coder/mlkit"
+    value = "coder/mlkit"
+  }
+}
+
+data "coder_parameter" "ide_selector" {
+  count = try(data.coder_parameter.git_repo.value, "") != "" ? 1 : 0
+  name = "ide_selector"
+  description  = "Choose any IDEs for your workspace."
+  mutable      = true
+  display_name = "Select mutliple IDEs"
+  order = 1
+  default = "[]"
+
+  # Allows users to select multiple IDEs from the list.
+  form_type = "multi-select"
+  type      = "list(string)"
+
+
+  dynamic "option" {
+    for_each = local.ides
+    content {
+      name  = option.value
+      value = option.value
+    }
+  }
+}
+
+
+data "coder_parameter" "cpu_cores" {
+  # Only show this parameter if the previous box is selected.
+  count = length(local.selected) > 0 ? 1 : 0
+
+  name         = "cpu_cores"
+  display_name = "CPU Cores"
+  type         = "number"
+  form_type    = "slider"
+  default      = local.is_ml_repo ? 12 : 6
+  order        = 2
+  validation {
+    min = 1
+    max = local.is_ml_repo ? 16 : 8
+  }
+}
+
+output "selected" {
+  value = local.selected
+}
+
+output "static" {
+  value = "foo"
+}
\ No newline at end of file