| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| library fuchsia.app.discover; |
| |
| [Discoverable] |
| protocol ModuleOutputWriter { |
| /// Writes the |entity_reference| to the module's |output_parameter_name| |
| /// output. If no entity is provided, the output will be unset. |
| /// Return happens upon completion of a successful write. |
| Write(string output_name, string? entity_reference) -> () error OutputError; |
| }; |
| |
| /// Errors that can occur when writing to an output. |
| enum OutputError : int32 { |
| /// If the output doesn't match a parameter defined in the module manifest |
| /// for the action currently being handled by the module. |
| UNKNOWN_NAME = 1; |
| |
| /// If the entity reference couldn't be resolved. |
| UNKNOWN_ENTITY_REFERENCE = 2; |
| |
| /// If the entity type written doesn't match the type defined in the module |
| /// manifest for the action currently being handled by the module.. |
| INVALID_ENTITY_TYPE = 3; |
| }; |