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# AWS::IoTAnalytics::Pipeline Math
<a name="aws-properties-iotanalytics-pipeline-math"></a>

An activity that computes an arithmetic expression using the message's attributes.

## Syntax
<a name="aws-properties-iotanalytics-pipeline-math-syntax"></a>

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

### JSON
<a name="aws-properties-iotanalytics-pipeline-math-syntax.json"></a>

```
{
  "[Attribute](#cfn-iotanalytics-pipeline-math-attribute)" : String,
  "[Math](#cfn-iotanalytics-pipeline-math-math)" : String,
  "[Name](#cfn-iotanalytics-pipeline-math-name)" : String,
  "[Next](#cfn-iotanalytics-pipeline-math-next)" : String
}
```

### YAML
<a name="aws-properties-iotanalytics-pipeline-math-syntax.yaml"></a>

```
  [Attribute](#cfn-iotanalytics-pipeline-math-attribute): String
  [Math](#cfn-iotanalytics-pipeline-math-math): String
  [Name](#cfn-iotanalytics-pipeline-math-name): String
  [Next](#cfn-iotanalytics-pipeline-math-next): String
```

## Properties
<a name="aws-properties-iotanalytics-pipeline-math-properties"></a>

`Attribute`  <a name="cfn-iotanalytics-pipeline-math-attribute"></a>
The name of the attribute that contains the result of the math operation.  
*Required*: Yes  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `256`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Math`  <a name="cfn-iotanalytics-pipeline-math-math"></a>
An expression that uses one or more existing attributes and must return an integer value.  
*Required*: Yes  
*Type*: [String](#aws-properties-iotanalytics-pipeline-math)  
*Minimum*: `1`  
*Maximum*: `256`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Name`  <a name="cfn-iotanalytics-pipeline-math-name"></a>
The name of the 'math' activity.  
*Required*: Yes  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `128`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Next`  <a name="cfn-iotanalytics-pipeline-math-next"></a>
The next activity in the pipeline.  
*Required*: No  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `128`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)