DeveloperBillingOptionParamsAndroid

```
public final class DeveloperBillingOptionParamsAndroid

                    
```
Parameters for a developer billing option in a purchase flow (Android). Used with BillingFlowParams for external payments (8.3.0+) and Billing Choice (OpenIAP Spec 2.1.0 / openiap-google 2.3.0; requires Play Billing 9.1.0+). Only billingProgram is required; link fields are used when the selected program links outside the app.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`public class`	`DeveloperBillingOptionParamsAndroid.Companion`

Field Summary

Fields
Modifier and Type	Field	Description
`private final BillingProgramAndroid`	`billingProgram`
`private final String`	`externalTransactionToken`
`private final DeveloperBillingLaunchModeAndroid`	`launchMode`
`private final String`	`linkUri`

Constructor Summary

Constructors
Constructor	Description
`DeveloperBillingOptionParamsAndroid(BillingProgramAndroid billingProgram, String externalTransactionToken, DeveloperBillingLaunchModeAndroid launchMode, String linkUri)`

Method Summary

Modifier and Type	Method	Description
`final BillingProgramAndroid`	`getBillingProgram()`	The billing program.
`final String`	`getExternalTransactionToken()`	A pre-generated external transaction token for a Billing Choice external-link flow.
`final DeveloperBillingLaunchModeAndroid`	`getLaunchMode()`	The launch mode for the external payment link.
`final String`	`getLinkUri()`	The URI where the external payment will be processed.
`final Map<String, Object>`	`toJson()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DeveloperBillingOptionParamsAndroid
```
DeveloperBillingOptionParamsAndroid(BillingProgramAndroid billingProgram, String externalTransactionToken, DeveloperBillingLaunchModeAndroid launchMode, String linkUri)
```
- Method Detail
  - getBillingProgram
```
 final BillingProgramAndroid getBillingProgram()
```
    The billing program. Use EXTERNAL_PAYMENTS or BILLING_CHOICE.
  - getExternalTransactionToken
```
 final String getExternalTransactionToken()
```
    A pre-generated external transaction token for a Billing Choice external-link flow. Omit it when Google Play should provide the token in the callback.
  - getLaunchMode
```
 final DeveloperBillingLaunchModeAndroid getLaunchMode()
```
    The launch mode for the external payment link. Required only when the selected billing program links outside the app.
  - getLinkUri
```
 final String getLinkUri()
```
    The URI where the external payment will be processed. Required only when the selected billing program links outside the app.
  - toJson
```
 final Map<String, Object> toJson()
```