public UpdateMatchingWorkflowResult withRoleArn(String roleArn) {
        setRoleArn(roleArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN) of the IAM role. Entity Resolution assumes this role to create resources on your
behalf as part of workflow execution.
</p>

@param roleArn
       The Amazon Resource Name (ARN) of the IAM role. Entity Resolution assumes this role to create resources on
       your behalf as part of workflow execution.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-entityresolution/src/main/java/com/amazonaws/services/entityresolution/model/UpdateMatchingWorkflowResult.java