> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-a46887cf.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# EasyInputMessageRoleUnion - Go SDK

> EasyInputMessageRoleUnion type definition

<Warning>
  The Go SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/go-sdk/issues).
</Warning>

## Supported Types

### EasyInputMessageRoleUser

```go lines theme={null}
easyInputMessageRoleUnion := components.CreateEasyInputMessageRoleUnionEasyInputMessageRoleUser(components.EasyInputMessageRoleUser{/* values here */})
```

### EasyInputMessageRoleSystem

```go lines theme={null}
easyInputMessageRoleUnion := components.CreateEasyInputMessageRoleUnionEasyInputMessageRoleSystem(components.EasyInputMessageRoleSystem{/* values here */})
```

### EasyInputMessageRoleAssistant

```go lines theme={null}
easyInputMessageRoleUnion := components.CreateEasyInputMessageRoleUnionEasyInputMessageRoleAssistant(components.EasyInputMessageRoleAssistant{/* values here */})
```

### EasyInputMessageRoleDeveloper

```go lines theme={null}
easyInputMessageRoleUnion := components.CreateEasyInputMessageRoleUnionEasyInputMessageRoleDeveloper(components.EasyInputMessageRoleDeveloper{/* values here */})
```

## Union Discrimination

Use the `Type` field to determine which variant is active, then access the corresponding field:

```go lines theme={null}
switch easyInputMessageRoleUnion.Type {
	case components.EasyInputMessageRoleUnionTypeEasyInputMessageRoleUser:
		// easyInputMessageRoleUnion.EasyInputMessageRoleUser is populated
	case components.EasyInputMessageRoleUnionTypeEasyInputMessageRoleSystem:
		// easyInputMessageRoleUnion.EasyInputMessageRoleSystem is populated
	case components.EasyInputMessageRoleUnionTypeEasyInputMessageRoleAssistant:
		// easyInputMessageRoleUnion.EasyInputMessageRoleAssistant is populated
	case components.EasyInputMessageRoleUnionTypeEasyInputMessageRoleDeveloper:
		// easyInputMessageRoleUnion.EasyInputMessageRoleDeveloper is populated
}
```