This is the new *CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [AWS CloudFormation User Guide](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::ECS::TaskDefinition KeyValuePair
<a name="aws-properties-ecs-taskdefinition-keyvaluepair"></a>

A key-value pair object.

## Syntax
<a name="aws-properties-ecs-taskdefinition-keyvaluepair-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-ecs-taskdefinition-keyvaluepair-syntax.json"></a>

```
{
  "[Name](#cfn-ecs-taskdefinition-keyvaluepair-name)" : String,
  "[Value](#cfn-ecs-taskdefinition-keyvaluepair-value)" : String
}
```

### YAML
<a name="aws-properties-ecs-taskdefinition-keyvaluepair-syntax.yaml"></a>

```
  [Name](#cfn-ecs-taskdefinition-keyvaluepair-name): String
  [Value](#cfn-ecs-taskdefinition-keyvaluepair-value): String
```

## Properties
<a name="aws-properties-ecs-taskdefinition-keyvaluepair-properties"></a>

`Name`  <a name="cfn-ecs-taskdefinition-keyvaluepair-name"></a>
The name of the key-value pair. For environment variables, this is the name of the environment variable.  
*Required*: No  
*Type*: String  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`Value`  <a name="cfn-ecs-taskdefinition-keyvaluepair-value"></a>
The value of the key-value pair. For environment variables, this is the value of the environment variable.  
*Required*: No  
*Type*: String  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)