```ruby
# Copyright 2017 Google, Inc
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# [START explicit_debugger_ruby]
require "google/cloud/debugger"

Google::Cloud::Debugger.new(project_id: "YOUR-PROJECT-ID",
                            keyfile:    "/path/to/service-account.json").start
# [END explicit_debugger_ruby]

# [START implicit_debugger_ruby]
require "google/cloud/debugger"

Google::Cloud::Debugger.new.start
# [END implicit_debugger_ruby]

```

Update project_id to project for standalone ruby sample
user
```ruby
# Copyright 2017 Google, Inc
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# [START explicit_debugger_ruby]
require "google/cloud/debugger"

Google::Cloud::Debugger.new(project: "YOUR-PROJECT-ID",
                            keyfile: "/path/to/service-account.json").start
# [END explicit_debugger_ruby]

# [START implicit_debugger_ruby]
require "google/cloud/debugger"

Google::Cloud::Debugger.new.start
# [END implicit_debugger_ruby]

```
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