diff --git a/.devcontainer/Makefile b/.devcontainer/Makefile
index 61bab4c..407671e 100644
--- a/.devcontainer/Makefile
+++ b/.devcontainer/Makefile
@@ -1,6 +1,6 @@
 IMAGE_NAME	?= takekazuomi/devcontainers-bicep
-TAG		?= 0.3.1
-BICEP_RELEASE	= v0.3.1
+TAG		?= 0.3.126
+BICEP_RELEASE	= v0.3.126
 
 help:	## Show this help.
 	@sed -ne '/@sed/!s/## //p' $(MAKEFILE_LIST)
diff --git a/README.md b/README.md
index e947787..0192b6a 100644
--- a/README.md
+++ b/README.md
@@ -50,6 +50,7 @@ This definition requires an Azure subscription to use. You can create a [free ac
 
 ## ChangeLog
 
+- v0.3.126 Improvements to child resource declarations, Loop enhancements
 - v0.3.1 bicep v0.3.1 loop support
 - v0.0.9 bicep v0.2.212  conditional resources support
 - v0.0.7 install GNU make
diff --git a/src/loop-index.bicep b/src/loop-index.bicep
index 9ce9787..42cb460 100644
--- a/src/loop-index.bicep
+++ b/src/loop-index.bicep
@@ -12,7 +12,7 @@ var storageConfigurations = [
 ]
 
 resource storageAccountResources 'Microsoft.Storage/storageAccounts@2019-06-01' = [for (config, i) in storageConfigurations: {
-  name: storageAccountNamePrefix + config.suffix + i
+  name: 'storageAccountNamePrefix${config.suffix}${i}'
   location: resourceGroup().location
   properties: {
     supportsHttpsTrafficOnly: true
diff --git a/src/nested-loops.bicep b/src/nested-loops.bicep
index ffd3dbd..da0ad97 100644
--- a/src/nested-loops.bicep
+++ b/src/nested-loops.bicep
@@ -1,9 +1,22 @@
-resource parentResources 'Microsoft.Example/examples@2020-06-06' = [for parent in parents where parent.enabled: {
+var parents = [
+  {
+    name: 'name'
+    enabled: true
+    children: [
+      {
+        name: 'name'
+        settingValue: 'value'
+      }
+    ]
+  }
+]
+
+resource parentResources 'Microsoft.Example/examples@2020-06-06' = [for parent in parents: if (parent.enabled) {
   name: parent.name
   properties: {
-    children: [for child in parent.children where parent.includeChildren && child.enabled: {
+    children: [for child in parent.children: {
       name: child.name
       setting: child.settingValue
     }]
   }
-}]
\ No newline at end of file
+}]
diff --git a/src/nsg-module.bicep b/src/nsg-module.bicep
new file mode 100644
index 0000000..e53a625
--- /dev/null
+++ b/src/nsg-module.bicep
@@ -0,0 +1,11 @@
+param name string
+
+resource nsg 'Microsoft.Network/networkSecurityGroups@2020-06-01' = {
+  name: name
+  location: resourceGroup().location
+}
+
+output n object = {
+  name: nsg.name
+  id: nsg.id
+}
diff --git a/src/output-loop-module.bicep b/src/output-loop-module.bicep
new file mode 100644
index 0000000..68a148b
--- /dev/null
+++ b/src/output-loop-module.bicep
@@ -0,0 +1,20 @@
+// Output loops.
+// Directly referencing a resource module or module collection is not currently supported in output loops. In order to loop outputs we need to apply an array indexer to the expression.
+
+var nsgNames = [
+  'nsg1'
+  'nsg2'
+  'nsg3'
+]
+
+output nsgs array = [for i in range(0, length(nsgNames)): {
+  name: nsg[i].outputs.n.name
+  resourceId: nsg[i].outputs.n.id
+}]
+
+module nsg 'nsg-module.bicep' = [for name in nsgNames: {
+  name: name
+  params:{
+    name: name
+  }
+}]
diff --git a/src/output-loop-module.json b/src/output-loop-module.json
new file mode 100644
index 0000000..61393ef
--- /dev/null
+++ b/src/output-loop-module.json
@@ -0,0 +1,80 @@
+{
+  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
+  "contentVersion": "1.0.0.0",
+  "functions": [],
+  "variables": {
+    "nsgNames": [
+      "nsg1",
+      "nsg2",
+      "nsg3"
+    ]
+  },
+  "resources": [
+    {
+      "copy": {
+        "name": "nsg",
+        "count": "[length(variables('nsgNames'))]"
+      },
+      "type": "Microsoft.Resources/deployments",
+      "apiVersion": "2019-10-01",
+      "name": "[variables('nsgNames')[copyIndex()]]",
+      "properties": {
+        "expressionEvaluationOptions": {
+          "scope": "inner"
+        },
+        "mode": "Incremental",
+        "parameters": {
+          "name": {
+            "value": "[variables('nsgNames')[copyIndex()]]"
+          }
+        },
+        "template": {
+          "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
+          "contentVersion": "1.0.0.0",
+          "parameters": {
+            "name": {
+              "type": "string"
+            }
+          },
+          "functions": [],
+          "resources": [
+            {
+              "type": "Microsoft.Network/networkSecurityGroups",
+              "apiVersion": "2020-06-01",
+              "name": "[parameters('name')]",
+              "location": "[resourceGroup().location]"
+            }
+          ],
+          "outputs": {
+            "n": {
+              "type": "object",
+              "value": {
+                "name": "[parameters('name')]",
+                "id": "[resourceId('Microsoft.Network/networkSecurityGroups', parameters('name'))]"
+              }
+            }
+          }
+        }
+      }
+    }
+  ],
+  "outputs": {
+    "nsgs": {
+      "type": "array",
+      "copy": {
+        "count": "[length(range(0, length(variables('nsgNames'))))]",
+        "input": {
+          "name": "[reference(resourceId('Microsoft.Resources/deployments', variables('nsgNames')[range(0, length(variables('nsgNames')))[copyIndex()]]), '2019-10-01').outputs.name]",
+          "resourceId": "[reference(resourceId('Microsoft.Resources/deployments', variables('nsgNames')[range(0, length(variables('nsgNames')))[copyIndex()]]), '2019-10-01').outputs.n.value]"
+        }
+      }
+    }
+  },
+  "metadata": {
+    "_generator": {
+      "name": "bicep",
+      "version": "0.3.1.62928",
+      "templateHash": "11043703718792320070"
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/output-loop.bicep b/src/output-loop.bicep
new file mode 100644
index 0000000..39a5fdd
--- /dev/null
+++ b/src/output-loop.bicep
@@ -0,0 +1,19 @@
+// Output loops.
+// Directly referencing a resource module or module collection is not currently supported in output loops. In order to loop outputs we need to apply an array indexer to the expression.
+
+var nsgNames = [
+  'nsg1'
+  'nsg2'
+  'nsg3'
+]
+
+resource nsg 'Microsoft.Network/networkSecurityGroups@2020-06-01' = [for name in nsgNames: {
+  name: name
+  location: resourceGroup().location
+}]
+
+output nsgs array = [for i in range(0, length(nsgNames)): {
+  name: nsg[i].name
+
+  resourceId: nsg[i].id
+}]
diff --git a/src/output-loop2.bicep b/src/output-loop2.bicep
new file mode 100644
index 0000000..4ac0eeb
--- /dev/null
+++ b/src/output-loop2.bicep
@@ -0,0 +1,18 @@
+// Output loops.
+// Directly referencing a resource module or module collection is not currently supported in output loops. In order to loop outputs we need to apply an array indexer to the expression.
+
+var nsgNames = [
+  'nsg1'
+  'nsg2'
+  'nsg3'
+]
+
+resource nsg 'Microsoft.Network/networkSecurityGroups@2020-06-01' = [for name in nsgNames: {
+  name: name
+  location: resourceGroup().location
+}]
+
+output nsgs array = [for i in range(0, length(nsgNames)): {
+  name: nsg[i].name
+  resourceId: nsg[i].id
+}]
diff --git a/src/parent-child-resource.bicep b/src/parent-child-resource.bicep
new file mode 100644
index 0000000..6a12659
--- /dev/null
+++ b/src/parent-child-resource.bicep
@@ -0,0 +1,11 @@
+resource myParent 'My.Rp/parentType@2020-01-01' = {
+  name: 'myParent'
+  location: 'West US'
+}
+
+resource myChild 'My.Rp/parentType/childType@2020-01-01' = {
+  parent: myParent // pass parent reference
+  name: 'myChild' // don't require the full name to be formatted with '/' characters
+}
+
+output childProp string = myChild.properties.someProp
diff --git a/src/resource-nesting.bicep b/src/resource-nesting.bicep
new file mode 100644
index 0000000..7034ec1
--- /dev/null
+++ b/src/resource-nesting.bicep
@@ -0,0 +1,18 @@
+// https://github.com/Azure/bicep/blob/main/docs/spec/resources.md#resource-nesting
+resource myParent 'My.Rp/parentType@2020-01-01' = {
+  name: 'myParent'
+  location: 'West US'
+
+  // declares a resource of type 'My.Rp/parentType/childType@2020-01-01'
+  resource myChild 'childType' = {
+    name: 'myChild'
+    properties: {
+      displayName: 'child in ${parent.location}'
+    }
+  }
+}
+
+output childProp string = myParent::myChild.properties.displayName
+
+
+// Error BCP082: The name "parent" does not exist in the current context. Did you mean "myParent"?
diff --git a/src/resource-nesting.json b/src/resource-nesting.json
new file mode 100644
index 0000000..eb3a1c1
--- /dev/null
+++ b/src/resource-nesting.json
@@ -0,0 +1,37 @@
+{
+  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
+  "contentVersion": "1.0.0.0",
+  "functions": [],
+  "resources": [
+    {
+      "type": "My.Rp/parentType/childType",
+      "apiVersion": "2020-01-01",
+      "name": "[format('{0}/{1}', 'myParent', 'myChild')]",
+      "properties": {
+        "displayName": "[format('child in {0}', reference(resourceId('My.Rp/parentType', 'myParent'), '2020-01-01', 'full').location)]"
+      },
+      "dependsOn": [
+        "[resourceId('My.Rp/parentType', 'myParent')]"
+      ]
+    },
+    {
+      "type": "My.Rp/parentType",
+      "apiVersion": "2020-01-01",
+      "name": "myParent",
+      "location": "West US"
+    }
+  ],
+  "outputs": {
+    "childProp": {
+      "type": "string",
+      "value": "[reference(resourceId('My.Rp/parentType/childType', 'myParent', 'myChild')).displayName]"
+    }
+  },
+  "metadata": {
+    "_generator": {
+      "name": "bicep",
+      "version": "0.3.126.58533",
+      "templateHash": "13471392052954043995"
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/variable-loop.bicep b/src/variable-loop.bicep
new file mode 100644
index 0000000..2ee54ac
--- /dev/null
+++ b/src/variable-loop.bicep
@@ -0,0 +1,21 @@
+var array1 = [
+  1
+  2
+  3
+  4
+  5
+]
+
+var array2 = [
+  1
+  2
+  3
+  4
+  5
+]
+
+var array3 = [for i in array1: {
+i
+}]
+
+output r array = array3