ARM Condition example

{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "omsAutomationAccountName": {
            "type": "string",
            "metadata": {
                "description": "Specify the name of the automation account you will create"
            }
        },
        "omsAutomationRegion": {
            "type": "string",
            "defaultValue": "westeurope",
            "metadata": {
                "description": "Specify the region where you want to deploy your automation account"
            }
        },
        "enableMonitor": {
            "type": "string",
            "allowedValues": [
                "Yes",
                "No"
            ],
            "defaultValue": "Yes"
        }
    },
    "variables": {
        "omsRg": "AzureScaleMgmt",
        "omsWorkspace": "AzureScaleWorkspace"
    },
    "resources": [
        {
            "condition": "[equals(parameters('enableMonitor'), 'No')]",
            "type": "Microsoft.Automation/automationAccounts",
            "name": "[concat(parameters('omsAutomationAccountName'), 'no')]",
            "location": "[parameters('omsAutomationRegion')]",
            "apiVersion": "2015-10-31",
            "properties": {
                "sku": {
                    "name": "Free"
                }
            }
        },
        {
            "condition": "[equals(parameters('enableMonitor'), 'Yes')]",
            "type": "Microsoft.Automation/automationAccounts",
            "name": "[concat(parameters('omsAutomationAccountName'), 'yes')]",
            "location": "[parameters('omsAutomationRegion')]",
            "apiVersion": "2015-10-31",
            "properties": {
                "sku": {
                    "name": "Free"
                }
            },
            "resources": [
                {                
                    "condition": "[equals(parameters('enableMonitor'), 'Yes')]",
                    "type": "providers/diagnosticSettings",
                    "name": "Microsoft.Insights/service",
                    "apiVersion": "2015-07-01",
                    "dependsOn": [
                        "[concat('Microsoft.Automation/automationAccounts/', parameters('omsAutomationAccountName'), 'yes')]"
                    ],
                    "properties": {
                        "workspaceId": "[concat('/subscriptions/', subscription().subscriptionId, '/resourceGroups/', variables('omsRg'), '/providers/Microsoft.OperationalInsights/workspaces/', variables('omsWorkspace'))]",
                        "logs": [
                            {
                                "category": "JobLogs",
                                "enabled": true
                            },
                            {
                                "category": "JobStreams",
                                "enabled": true
                            }
                        ]
                    }
                }
            ]
        }
    ],
    "outputs": {}
}