OpenTrackingSetting (Twilio SendGrid Java helper library 4.9.1 API)

```
public class OpenTrackingSetting
extends Object
```
An open tracking settings object. This allows you to track whether the email was opened or not, but including a single pixel image in the body of the content. When the pixel is loaded, we can log that the email was opened.

Constructors
Constructor and Description
`OpenTrackingSetting()`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`equals(Object obj)`
`boolean`	`getEnable()`
`String`	`getSubstitutionTag()`
`int`	`hashCode()`
`void`	`setEnable(boolean enable)`
`void`	`setSubstitutionTag(String substitutionTag)`

public void setEnable(boolean enable)

public void setSubstitutionTag(String substitutionTag)

Class OpenTrackingSetting