public void setWorkflowExecutionRetentionPeriodInDays(String workflowExecutionRetentionPeriodInDays) {
        this.workflowExecutionRetentionPeriodInDays = workflowExecutionRetentionPeriodInDays;
    }
<p>
The retention period for workflow executions in this domain.
</p>

@param workflowExecutionRetentionPeriodInDays
       The retention period for workflow executions in this domain.
aws-java-sdk-simpleworkflow/src/main/java/com/amazonaws/services/simpleworkflow/model/DomainConfiguration.java