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How to set an Activity Retry Policy in Go

To set a RetryPolicy, create an instance of ActivityOptions from the go.temporal.io/sdk/workflow package, set the RetryPolicy field, and then use the WithActivityOptions() API to apply the options to the instance of workflow.Context.

retrypolicy := &temporal.RetryPolicy{
  InitialInterval:    time.Second,
  BackoffCoefficient: 2.0,
  MaximumInterval:    time.Second * 100, // 100 * InitialInterval
  MaximumAttempts: 0, // Unlimited
  NonRetryableErrorTypes: []string, // empty
}

Providing a Retry Policy here is a customization, and overwrites individual Field defaults.

retrypolicy := &temporal.RetryPolicy{
  InitialInterval:    time.Second,
  BackoffCoefficient: 2.0,
  MaximumInterval:    time.Second * 100,
}

activityoptions := workflow.ActivityOptions{
  RetryPolicy: retrypolicy,
}
ctx = workflow.WithActivityOptions(ctx, activityoptions)
var yourActivityResult YourActivityResult
err = workflow.ExecuteActivity(ctx, YourActivityDefinition, yourActivityParam).Get(ctx, &yourActivityResult)
if err != nil {
  // ...
}