Azure Blueprint definition and artifact

artifact.json

{
    "kind": "template",
    "properties": {
        "template": {
            "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
            "contentVersion": "1.0.0.0",
            "parameters": {
                "storageAccountTypeFromBP": {
                    "type": "string",
                    "defaultValue": "Standard_LRS",
                    "allowedValues": [
                        "Standard_LRS",
                        "Standard_GRS",
                        "Standard_ZRS",
                        "Premium_LRS"
                    ],
                    "metadata": {
                        "description": "Storage Account type"
                    }
                },
                "tagNameFromBP": {
                    "type": "string",
                    "defaultValue": "NotSet",
                    "metadata": {
                        "description": "Tag name from blueprint"
                    }
                },
                "tagValueFromBP": {
                    "type": "string",
                    "defaultValue": "NotSet",
                    "metadata": {
                        "description": "Tag value from blueprint"
                    }
                }
            },
            "variables": {
                "storageAccountName": "[concat(uniquestring(resourceGroup().id), 'standardsa')]"
            },
            "resources": [{
                "type": "Microsoft.Storage/storageAccounts",
                "name": "[variables('storageAccountName')]",
                "apiVersion": "2016-01-01",
                "tags": {
                   "[parameters('tagNameFromBP')]": "[parameters('tagValueFromBP')]"
                },
                "location": "[resourceGroup().location]",
                "sku": {
                    "name": "[parameters('storageAccountTypeFromBP')]"
                },
                "kind": "Storage",
                "properties": {}
            }],
            "outputs": {
                "storageAccountSku": {
                    "type": "string",
                    "value": "[variables('storageAccountName')]"
                }
            }
        },
        "resourceGroup": "storageRG",
        "parameters": {
            "storageAccountTypeFromBP": {
                "value": "[parameters('storageAccountType')]"
            },
            "tagNameFromBP": {
                "value": "[parameters('tagName')]"
            },
            "tagValueFromBP": {
                "value": "[parameters('tagValue')]"
            }
        }
    }
}

blueprint.json

{
    "properties": {
        "targetScope": "subscription",
        "resourceGroups": {
            "storageRG": {
                "name": "StorageAccount",
                "location": "eastus2"
            }
        },
        "parameters": {
            "storageAccountType": {
                "type": "string",
                "value": "Standard_GRS"
            },
            "tagName": {
                "type": "string",
                "value": "CostCenter"
            },
            "tagValue": {
                "type": "string",
                "value": "ContosoIT"
            },
            "contributors": {
                "type": "array",
                "value": [
                    "7be2f100-3af5-4c15-bcb7-27ee43784a1f",
                    "38833b56-194d-420b-90ce-cff578296714"
                ]
            },
            "owners": {
                "type": "array",
                "value": [
                    "44254d2b-a0c7-405f-959c-f829ee31c2e7",
                    "316deb5f-7187-4512-9dd4-21e7798b0ef9"
                ]
            }
        }
    }
}