diff --git a/samples/interactive-tutorials/events/noxfile.py b/samples/interactive-tutorials/events/noxfile.py
new file mode 100644
index 00000000..f63fefdd
--- /dev/null
+++ b/samples/interactive-tutorials/events/noxfile.py
@@ -0,0 +1,270 @@
+# Copyright 2019 Google LLC
+#
+# 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.
+
+from __future__ import print_function
+
+import os
+from pathlib import Path
+import sys
+from typing import Callable, Dict, List, Optional
+
+import nox
+
+
+# WARNING - WARNING - WARNING - WARNING - WARNING
+# WARNING - WARNING - WARNING - WARNING - WARNING
+#           DO NOT EDIT THIS FILE EVER!
+# WARNING - WARNING - WARNING - WARNING - WARNING
+# WARNING - WARNING - WARNING - WARNING - WARNING
+
+BLACK_VERSION = "black==19.10b0"
+
+# Copy `noxfile_config.py` to your directory and modify it instead.
+
+# `TEST_CONFIG` dict is a configuration hook that allows users to
+# modify the test configurations. The values here should be in sync
+# with `noxfile_config.py`. Users will copy `noxfile_config.py` into
+# their directory and modify it.
+
+TEST_CONFIG = {
+    # You can opt out from the test for specific Python versions.
+    "ignored_versions": [],
+    # Old samples are opted out of enforcing Python type hints
+    # All new samples should feature them
+    "enforce_type_hints": False,
+    # An envvar key for determining the project id to use. Change it
+    # to 'BUILD_SPECIFIC_GCLOUD_PROJECT' if you want to opt in using a
+    # build specific Cloud project. You can also use your own string
+    # to use your own Cloud project.
+    "gcloud_project_env": "GOOGLE_CLOUD_PROJECT",
+    # 'gcloud_project_env': 'BUILD_SPECIFIC_GCLOUD_PROJECT',
+    # If you need to use a specific version of pip,
+    # change pip_version_override to the string representation
+    # of the version number, for example, "20.2.4"
+    "pip_version_override": None,
+    # A dictionary you want to inject into your test. Don't put any
+    # secrets here. These values will override predefined values.
+    "envs": {},
+}
+
+
+try:
+    # Ensure we can import noxfile_config in the project's directory.
+    sys.path.append(".")
+    from noxfile_config import TEST_CONFIG_OVERRIDE
+except ImportError as e:
+    print("No user noxfile_config found: detail: {}".format(e))
+    TEST_CONFIG_OVERRIDE = {}
+
+# Update the TEST_CONFIG with the user supplied values.
+TEST_CONFIG.update(TEST_CONFIG_OVERRIDE)
+
+
+def get_pytest_env_vars() -> Dict[str, str]:
+    """Returns a dict for pytest invocation."""
+    ret = {}
+
+    # Override the GCLOUD_PROJECT and the alias.
+    env_key = TEST_CONFIG["gcloud_project_env"]
+    # This should error out if not set.
+    ret["GOOGLE_CLOUD_PROJECT"] = os.environ[env_key]
+
+    # Apply user supplied envs.
+    ret.update(TEST_CONFIG["envs"])
+    return ret
+
+
+# DO NOT EDIT - automatically generated.
+# All versions used to test samples.
+ALL_VERSIONS = ["3.6", "3.7", "3.8", "3.9", "3.10"]
+
+# Any default versions that should be ignored.
+IGNORED_VERSIONS = TEST_CONFIG["ignored_versions"]
+
+TESTED_VERSIONS = sorted([v for v in ALL_VERSIONS if v not in IGNORED_VERSIONS])
+
+INSTALL_LIBRARY_FROM_SOURCE = os.environ.get("INSTALL_LIBRARY_FROM_SOURCE", False) in (
+    "True",
+    "true",
+)
+
+# Error if a python version is missing
+nox.options.error_on_missing_interpreters = True
+
+#
+# Style Checks
+#
+
+
+def _determine_local_import_names(start_dir: str) -> List[str]:
+    """Determines all import names that should be considered "local".
+    This is used when running the linter to insure that import order is
+    properly checked.
+    """
+    file_ext_pairs = [os.path.splitext(path) for path in os.listdir(start_dir)]
+    return [
+        basename
+        for basename, extension in file_ext_pairs
+        if extension == ".py"
+        or os.path.isdir(os.path.join(start_dir, basename))
+        and basename not in ("__pycache__")
+    ]
+
+
+# Linting with flake8.
+#
+# We ignore the following rules:
+#   E203: whitespace before ‘:’
+#   E266: too many leading ‘#’ for block comment
+#   E501: line too long
+#   I202: Additional newline in a section of imports
+#
+# We also need to specify the rules which are ignored by default:
+# ['E226', 'W504', 'E126', 'E123', 'W503', 'E24', 'E704', 'E121']
+FLAKE8_COMMON_ARGS = [
+    "--show-source",
+    "--builtin=gettext",
+    "--max-complexity=20",
+    "--import-order-style=google",
+    "--exclude=.nox,.cache,env,lib,generated_pb2,*_pb2.py,*_pb2_grpc.py",
+    "--ignore=E121,E123,E126,E203,E226,E24,E266,E501,E704,W503,W504,I202",
+    "--max-line-length=88",
+]
+
+
+@nox.session
+def lint(session: nox.sessions.Session) -> None:
+    if not TEST_CONFIG["enforce_type_hints"]:
+        session.install("flake8", "flake8-import-order")
+    else:
+        session.install("flake8", "flake8-import-order", "flake8-annotations")
+
+    local_names = _determine_local_import_names(".")
+    args = FLAKE8_COMMON_ARGS + [
+        "--application-import-names",
+        ",".join(local_names),
+        ".",
+    ]
+    session.run("flake8", *args)
+
+
+#
+# Black
+#
+
+
+@nox.session
+def blacken(session: nox.sessions.Session) -> None:
+    session.install(BLACK_VERSION)
+    python_files = [path for path in os.listdir(".") if path.endswith(".py")]
+
+    session.run("black", *python_files)
+
+
+#
+# Sample Tests
+#
+
+
+PYTEST_COMMON_ARGS = ["--junitxml=sponge_log.xml"]
+
+
+def _session_tests(
+    session: nox.sessions.Session, post_install: Callable = None
+) -> None:
+    if TEST_CONFIG["pip_version_override"]:
+        pip_version = TEST_CONFIG["pip_version_override"]
+        session.install(f"pip=={pip_version}")
+    """Runs py.test for a particular project."""
+    if os.path.exists("requirements.txt"):
+        if os.path.exists("constraints.txt"):
+            session.install("-r", "requirements.txt", "-c", "constraints.txt")
+        else:
+            session.install("-r", "requirements.txt")
+
+    if os.path.exists("requirements-test.txt"):
+        if os.path.exists("constraints-test.txt"):
+            session.install("-r", "requirements-test.txt", "-c", "constraints-test.txt")
+        else:
+            session.install("-r", "requirements-test.txt")
+
+    if INSTALL_LIBRARY_FROM_SOURCE:
+        session.install("-e", _get_repo_root())
+
+    if post_install:
+        post_install(session)
+
+    session.run(
+        "pytest",
+        *(PYTEST_COMMON_ARGS + session.posargs),
+        # Pytest will return 5 when no tests are collected. This can happen
+        # on travis where slow and flaky tests are excluded.
+        # See http://doc.pytest.org/en/latest/_modules/_pytest/main.html
+        success_codes=[0, 5],
+        env=get_pytest_env_vars(),
+    )
+
+
+@nox.session(python=ALL_VERSIONS)
+def py(session: nox.sessions.Session) -> None:
+    """Runs py.test for a sample using the specified version of Python."""
+    if session.python in TESTED_VERSIONS:
+        _session_tests(session)
+    else:
+        session.skip(
+            "SKIPPED: {} tests are disabled for this sample.".format(session.python)
+        )
+
+
+#
+# Readmegen
+#
+
+
+def _get_repo_root() -> Optional[str]:
+    """ Returns the root folder of the project. """
+    # Get root of this repository. Assume we don't have directories nested deeper than 10 items.
+    p = Path(os.getcwd())
+    for i in range(10):
+        if p is None:
+            break
+        if Path(p / ".git").exists():
+            return str(p)
+        # .git is not available in repos cloned via Cloud Build
+        # setup.py is always in the library's root, so use that instead
+        # https://github.com/googleapis/synthtool/issues/792
+        if Path(p / "setup.py").exists():
+            return str(p)
+        p = p.parent
+    raise Exception("Unable to detect repository root.")
+
+
+GENERATED_READMES = sorted([x for x in Path(".").rglob("*.rst.in")])
+
+
+@nox.session
+@nox.parametrize("path", GENERATED_READMES)
+def readmegen(session: nox.sessions.Session, path: str) -> None:
+    """(Re-)generates the readme for a sample."""
+    session.install("jinja2", "pyyaml")
+    dir_ = os.path.dirname(path)
+
+    if os.path.exists(os.path.join(dir_, "requirements.txt")):
+        session.install("-r", os.path.join(dir_, "requirements.txt"))
+
+    in_file = os.path.join(dir_, "README.rst.in")
+    session.run(
+        "python", _get_repo_root() + "/scripts/readme-gen/readme_gen.py", in_file
+    )
+    
diff --git a/samples/interactive-tutorials/events/noxfile_config.py b/samples/interactive-tutorials/events/noxfile_config.py
new file mode 100644
index 00000000..72486fb4
--- /dev/null
+++ b/samples/interactive-tutorials/events/noxfile_config.py
@@ -0,0 +1,35 @@
+# Copyright 2020 Google LLC
+#
+# 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.
+
+# Default TEST_CONFIG_OVERRIDE for python repos.
+
+# The source of truth:
+# https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/noxfile_config.py
+
+TEST_CONFIG_OVERRIDE = {
+    # You can opt out from the test for specific Python versions.
+    "ignored_versions": ["2.7", "3.6", "3.8", "3.9"],
+    # An envvar key for determining the project id to use. Change it
+    # to 'PROJECT_NUMBER' if you want to opt in using a
+    # build specific Cloud project. You can also use your own string
+    # to use your own Cloud project.
+    # 'gcloud_project_env': 'GOOGLE_CLOUD_PROJECT',
+    "gcloud_project_env": "PROJECT_NUMBER",
+    # A dictionary you want to inject into your test. Don't put any
+    # secrets here. These values will override predefined values.
+    "envs": {
+        "DATA_LABELING_API_ENDPOINT": "us-central1-autopush-aiplatform.sandbox.googleapis.com",
+        "PYTEST_ADDOPTS": "-n=auto"  # Run tests parallel using all available CPUs
+    },
+}
diff --git a/samples/interactive-tutorials/events/purge_user_event.py b/samples/interactive-tutorials/events/purge_user_event.py
new file mode 100644
index 00000000..841d4a4a
--- /dev/null
+++ b/samples/interactive-tutorials/events/purge_user_event.py
@@ -0,0 +1,63 @@
+# Copyright 2021 Google Inc. All Rights Reserved.
+#
+# 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 retail_purge_user_event]
+# Import user events into a catalog from inline source using Retail API
+#
+import os
+
+from google.api_core.client_options import ClientOptions
+from google.cloud.retail import PurgeUserEventsRequest, UserEventServiceClient
+
+from setup.setup_cleanup import write_user_event
+
+project_id = os.getenv('GOOGLE_CLOUD_PROJECT')
+
+endpoint = "retail.googleapis.com"
+default_catalog = "projects/{0}/locations/global/catalogs/default_catalog".format(
+    project_id)
+visitor_id = 'test_visitor_id'
+
+
+# get user events service client
+def get_user_events_service_client():
+    client_options = ClientOptions(endpoint)
+    return UserEventServiceClient(client_options=client_options)
+
+
+# get purge user event request
+def get_purge_user_event_request():
+    purge_user_event_request = PurgeUserEventsRequest()
+    # TO CHECK ERROR HANDLING SET INVALID FILTER HERE:
+    purge_user_event_request.filter = 'visitorId="{}"'.format(visitor_id)
+    purge_user_event_request.parent = default_catalog
+    purge_user_event_request.force = True
+    print("---purge user events request---")
+    print(purge_user_event_request)
+    return purge_user_event_request
+
+
+# call the Retail API to purge user event
+def call_purge_user_events():
+    purge_operation = get_user_events_service_client().purge_user_events(
+        get_purge_user_event_request())
+
+    print("---the purge operation was started:----")
+    print(purge_operation.operation.name)
+
+
+write_user_event(visitor_id)
+call_purge_user_events()
+# [END retail_purge_user_event]
diff --git a/samples/interactive-tutorials/events/purge_user_event_test.py b/samples/interactive-tutorials/events/purge_user_event_test.py
new file mode 100644
index 00000000..1c51f7ab
--- /dev/null
+++ b/samples/interactive-tutorials/events/purge_user_event_test.py
@@ -0,0 +1,36 @@
+# Copyright 2021 Google Inc. All Rights Reserved.
+#
+# 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.
+
+import re
+import subprocess
+
+
+def test_create_product():
+    output = str(subprocess.check_output('python purge_user_event.py',
+                                         shell=True))
+
+    assert re.match('.*the user event is written.*', output)
+    assert re.match(
+        '.*purge user events request.*?parent: "projects/.*?/locations/global/catalogs/default_catalog.*',
+        output)
+    assert re.match(
+        '.*purge user events request.*?filter: \"visitorId=.*?test_visitor_id.*?\".*',
+        output)
+    assert re.match(
+        '.*purge user events request.*?parent: "projects/.*?/locations/global/catalogs/default_catalog.*',
+        output)
+    assert re.match('.*purge user events request.*?force: true.*', output)
+    assert re.match(
+        '.*the purge operation was started.*?projects/.*?/locations/global/catalogs/default_catalog/operations/purge-user-events.*',
+        output)
diff --git a/samples/interactive-tutorials/events/rejoin_user_event.py b/samples/interactive-tutorials/events/rejoin_user_event.py
new file mode 100644
index 00000000..134b708c
--- /dev/null
+++ b/samples/interactive-tutorials/events/rejoin_user_event.py
@@ -0,0 +1,67 @@
+# Copyright 2021 Google Inc. All Rights Reserved.
+#
+# 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 retail_rejoin_user_event]
+# Import user events into a catalog from inline source using Retail API
+#
+import os
+
+from google.api_core.client_options import ClientOptions
+from google.cloud.retail import UserEventServiceClient, \
+    RejoinUserEventsRequest
+
+from setup.setup_cleanup import write_user_event, purge_user_event
+
+project_id = os.getenv('GOOGLE_CLOUD_PROJECT')
+
+endpoint = "retail.googleapis.com"
+default_catalog = "projects/{0}/locations/global/catalogs/default_catalog".format(
+    project_id)
+visitor_id = 'test_visitor_id'
+
+
+# get user events service client
+def get_user_events_service_client():
+    client_options = ClientOptions(endpoint)
+    return UserEventServiceClient(client_options=client_options)
+
+
+# get rejoin user event request
+def get_rejoin_user_event_request():
+    # TO CHECK THE ERROR HANDLING TRY TO PASS INVALID CATALOG:
+    # default_catalog = "projects/{0}/locations/global/catalogs/invalid_catalog".format(project_number)
+    rejoin_user_event_request = RejoinUserEventsRequest()
+    rejoin_user_event_request.parent = default_catalog
+    rejoin_user_event_request.user_event_rejoin_scope = RejoinUserEventsRequest \
+        .UserEventRejoinScope.UNJOINED_EVENTS
+    print("---rejoin user events request---")
+    print(rejoin_user_event_request)
+    return rejoin_user_event_request
+
+
+# call the Retail API to rejoin user event
+def call_rejoin_user_events():
+    rejoin_operation = get_user_events_service_client().rejoin_user_events(
+        get_rejoin_user_event_request())
+
+    print("---the rejoin operation was started:----")
+    print(rejoin_operation.operation.name)
+
+
+write_user_event(visitor_id)
+call_rejoin_user_events()
+purge_user_event(visitor_id)
+
+# [END retail_rejoin_user_event]
diff --git a/samples/interactive-tutorials/events/rejoin_user_events_test.py b/samples/interactive-tutorials/events/rejoin_user_events_test.py
new file mode 100644
index 00000000..f36cfff6
--- /dev/null
+++ b/samples/interactive-tutorials/events/rejoin_user_events_test.py
@@ -0,0 +1,35 @@
+# Copyright 2021 Google Inc. All Rights Reserved.
+#
+# 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.
+
+import re
+import subprocess
+
+
+def test_create_product():
+    output = str(subprocess.check_output('python rejoin_user_event.py',
+                                         shell=True))
+
+    assert re.match('.*the user event is written.*', output)
+    assert re.match(
+        '.*rejoin user events request.*?parent: "projects/.*?/locations/global/catalogs/default_catalog.*',
+        output)
+    assert re.match(
+        '.*rejoin user events request.*?user_event_rejoin_scope: UNJOINED_EVENTS.*',
+        output)
+    assert re.match(
+        '.*the rejoin operation was started.*?projects/.*?/locations/global/catalogs/default_catalog/operations/rejoin-user-events.*',
+        output)
+    assert re.match(
+        '.*the purge operation was started.*?projects/.*?/locations/global/catalogs/default_catalog/operations/purge-user-events.*',
+        output)
diff --git a/samples/interactive-tutorials/events/requirements-test.txt b/samples/interactive-tutorials/events/requirements-test.txt
new file mode 100644
index 00000000..9299a7a8
--- /dev/null
+++ b/samples/interactive-tutorials/events/requirements-test.txt
@@ -0,0 +1 @@
+pytest==6.2.5
\ No newline at end of file
diff --git a/samples/interactive-tutorials/events/requirements.txt b/samples/interactive-tutorials/events/requirements.txt
new file mode 100644
index 00000000..0ba6ea71
--- /dev/null
+++ b/samples/interactive-tutorials/events/requirements.txt
@@ -0,0 +1,4 @@
+google==3.0.0
+google-cloud-retail==1.1.0
+google-cloud-storage==1.43.0
+google-cloud-bigquery==2.30.1
\ No newline at end of file
diff --git a/samples/interactive-tutorials/events/setup/setup_cleanup.py b/samples/interactive-tutorials/events/setup/setup_cleanup.py
new file mode 100644
index 00000000..b1337ba7
--- /dev/null
+++ b/samples/interactive-tutorials/events/setup/setup_cleanup.py
@@ -0,0 +1,208 @@
+# Copyright 2022 Google Inc. All Rights Reserved.
+#
+# 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.
+
+
+import datetime
+import json
+import os
+import re
+import shlex
+import subprocess
+
+from google.api_core.client_options import ClientOptions
+from google.api_core.exceptions import NotFound
+from google.protobuf.timestamp_pb2 import Timestamp
+
+from google.cloud import bigquery
+from google.cloud import storage
+from google.cloud.retail import ProductDetail, PurgeUserEventsRequest, \
+    UserEvent, UserEventServiceClient, WriteUserEventRequest
+from google.cloud.retail_v2 import Product
+
+project_id = os.getenv('GOOGLE_CLOUD_PROJECT')
+endpoint = "retail.googleapis.com"
+default_catalog = "projects/{0}/locations/global/catalogs/default_catalog".format(
+    project_id)
+
+
+# get user events service client
+def get_user_events_service_client():
+    client_options = ClientOptions(endpoint)
+    return UserEventServiceClient(client_options=client_options)
+
+
+# get user event
+def get_user_event(visitor_id):
+    timestamp = Timestamp()
+    timestamp.seconds = int(datetime.datetime.now().timestamp())
+
+    product = Product()
+    product.id = 'test_id'
+
+    product_detail = ProductDetail()
+    product_detail.product = product
+
+    user_event = UserEvent()
+    user_event.event_type = "detail-page-view"
+    user_event.visitor_id = visitor_id
+    user_event.event_time = timestamp
+    user_event.product_details = [product_detail]
+
+    print(user_event)
+    return user_event
+
+
+# write user event
+def write_user_event(visitor_id):
+    write_user_event_request = WriteUserEventRequest()
+    write_user_event_request.user_event = get_user_event(visitor_id)
+    write_user_event_request.parent = default_catalog
+    user_event = get_user_events_service_client().write_user_event(
+        write_user_event_request)
+    print("---the user event is written---")
+    print(user_event)
+    return user_event
+
+
+# purge user event
+def purge_user_event(visitor_id):
+    purge_user_event_request = PurgeUserEventsRequest()
+    purge_user_event_request.filter = 'visitorId="{}"'.format(visitor_id)
+    purge_user_event_request.parent = default_catalog
+    purge_user_event_request.force = True
+    purge_operation = get_user_events_service_client().purge_user_events(
+        purge_user_event_request)
+
+    print("---the purge operation was started:----")
+    print(purge_operation.operation.name)
+
+
+def get_project_id():
+    get_project_command = "gcloud config get-value project --format json"
+    config = subprocess.check_output(shlex.split(get_project_command))
+    project_id = re.search('\"(.*?)\"', str(config)).group(1)
+    return project_id
+
+
+def create_bucket(bucket_name: str):
+    """Create a new bucket in Cloud Storage"""
+    print("Creating new bucket:" + bucket_name)
+    buckets_in_your_project = str(list_buckets())
+    if bucket_name in buckets_in_your_project:
+        print("Bucket {} already exists".format(bucket_name))
+    else:
+        storage_client = storage.Client()
+        bucket = storage_client.bucket(bucket_name)
+        bucket.storage_class = "STANDARD"
+        new_bucket = storage_client.create_bucket(bucket, location="us")
+        print(
+            "Created bucket {} in {} with storage class {}".format(
+                new_bucket.name, new_bucket.location, new_bucket.storage_class
+            )
+        )
+        return new_bucket
+
+
+def delete_bucket(bucket_name: str):
+    """Delete a bucket from Cloud Storage"""
+    storage_client = storage.Client()
+    print("Deleting bucket:" + bucket_name)
+    buckets_in_your_project = str(list_buckets())
+    if bucket_name in buckets_in_your_project:
+        blobs = storage_client.list_blobs(bucket_name)
+        for blob in blobs:
+            blob.delete()
+        bucket = storage_client.get_bucket(bucket_name)
+        bucket.delete()
+        print("Bucket {} is deleted".format(bucket.name))
+    else:
+        print("Bucket {} is not found".format(bucket_name))
+
+
+def list_buckets():
+    """Lists all buckets"""
+    bucket_list = []
+    storage_client = storage.Client()
+    buckets = storage_client.list_buckets()
+    for bucket in buckets:
+        bucket_list.append(str(bucket))
+    return bucket_list
+
+
+def upload_blob(bucket_name, source_file_name):
+    """Uploads a file to the bucket."""
+    # The path to your file to upload
+    # source_file_name = "local/path/to/file"
+    print("Uploading data form {} to the bucket {}".format(source_file_name,
+                                                           bucket_name))
+    storage_client = storage.Client()
+    bucket = storage_client.bucket(bucket_name)
+    object_name = re.search('resources/(.*?)$', source_file_name).group(1)
+    blob = bucket.blob(object_name)
+    blob.upload_from_filename(source_file_name)
+    print(
+        "File {} uploaded to {}.".format(
+            source_file_name, object_name
+        )
+    )
+
+
+def create_bq_dataset(dataset_name):
+    """Create a BigQuery dataset"""
+    full_dataset_id = f"{project_id}.{dataset_name}"
+    bq = bigquery.Client()
+    print(f"Creating dataset {full_dataset_id}")
+    try:
+        bq.get_dataset(full_dataset_id)
+        print(f"dataset {full_dataset_id} already exists")
+    except NotFound:
+        # Construct a Dataset object to send to the API.
+        dataset = bq.Dataset(full_dataset_id)
+        dataset.location = "US"
+        bq.create_dataset(dataset)
+        print("dataset is created")
+
+
+def create_bq_table(dataset, table_name, schema_file_path):
+    """Create a BigQuery table"""
+    full_table_id = f"{project_id}.{dataset}.{table_name}"
+    bq = bigquery.Client()
+    print(f"Creating BigQuery table {full_table_id}")
+    try:
+        bq.get_table(full_table_id)
+        print(f"table {full_table_id} already exists")
+    except NotFound:
+        # Construct a Table object to send to the API.
+        with open(schema_file_path, "rb") as schema:
+            schema_dict = json.load(schema)
+            table = bigquery.Table(full_table_id, schema=schema_dict)
+        bq.create_table(table)
+        print("table is created")
+
+
+def upload_data_to_bq_table(dataset, table_name, source, schema_file_path):
+    """Upload data to the table from specified source file"""
+    full_table_id = f"{project_id}.{dataset}.{table_name}"
+    bq = bigquery.Client()
+    print(f"Uploading data from {source} to the table {full_table_id}")
+    with open(schema_file_path, "rb") as schema:
+        schema_dict = json.load(schema)
+    job_config = bigquery.LoadJobConfig(
+        source_format=bigquery.SourceFormat.NEWLINE_DELIMITED_JSON,
+        schema=schema_dict)
+    with open(source, "rb") as source_file:
+        job = bq.load_table_from_file(source_file, full_table_id,
+                                      job_config=job_config)
+    job.result()  # Waits for the job to complete.
+    print("data was uploaded")
\ No newline at end of file
diff --git a/samples/interactive-tutorials/events/write_user_event.py b/samples/interactive-tutorials/events/write_user_event.py
new file mode 100644
index 00000000..dc942695
--- /dev/null
+++ b/samples/interactive-tutorials/events/write_user_event.py
@@ -0,0 +1,86 @@
+# Copyright 2021 Google Inc. All Rights Reserved.
+#
+# 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 retail_write_user_event]
+# Import user events into a catalog from inline source using Retail API
+#
+import datetime
+import os
+
+from google.api_core.client_options import ClientOptions
+from google.cloud.retail import UserEvent, UserEventServiceClient, \
+    WriteUserEventRequest
+from google.protobuf.timestamp_pb2 import Timestamp
+
+from setup.setup_cleanup import purge_user_event
+
+project_id = os.getenv('GOOGLE_CLOUD_PROJECT')
+
+endpoint = "retail.googleapis.com"
+default_catalog = "projects/{0}/locations/global/catalogs/default_catalog"\
+    .format(project_id)
+visitor_id = 'test_visitor_id'
+
+
+# get user events service client
+def get_user_events_service_client():
+    client_options = ClientOptions(endpoint)
+    return UserEventServiceClient(client_options=client_options)
+
+
+# get user event
+def get_user_event():
+    timestamp = Timestamp()
+    timestamp.seconds = int(datetime.datetime.now().timestamp())
+
+    user_event = UserEvent()
+    user_event.event_type = "home-page-view"
+    user_event.visitor_id = visitor_id
+    user_event.event_time = timestamp
+
+    print(user_event)
+    return user_event
+
+
+# get write user event request
+def get_write_event_request(user_event):
+    # TO CHECK THE ERROR HANDLING TRY TO PASS INVALID CATALOG:
+    # default_catalog = "projects/{0}/locations/global/catalogs/invalid_catalog"
+    # .format(project_number)
+    write_user_event_request = WriteUserEventRequest()
+    write_user_event_request.user_event = user_event
+    write_user_event_request.parent = default_catalog
+
+    print("---write user event request---")
+    print(write_user_event_request)
+
+    return write_user_event_request
+
+
+# call the Retail API to write user event
+def write_user_event():
+    write_user_event_request = get_write_event_request(get_user_event())
+    user_event = get_user_events_service_client().write_user_event(
+        write_user_event_request)
+
+    print("---written user event:---")
+    print(user_event)
+    return user_event
+
+
+write_user_event()
+purge_user_event(visitor_id)
+
+# [END retail_write_user_event]
diff --git a/samples/interactive-tutorials/events/write_user_event_test.py b/samples/interactive-tutorials/events/write_user_event_test.py
new file mode 100644
index 00000000..41182c33
--- /dev/null
+++ b/samples/interactive-tutorials/events/write_user_event_test.py
@@ -0,0 +1,29 @@
+# Copyright 2021 Google Inc. All Rights Reserved.
+#
+# 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.
+
+import re
+import subprocess
+
+
+def test_create_product():
+    output = str(subprocess.check_output('python write_user_event.py',
+                                         shell=True))
+
+    assert re.match(
+        '.*write user event request.*?user_event.*?event_type: "home-page-view".*',
+        output)
+    assert re.match('.*written user event.*?event_type: "home-page-view".*',
+                    output)
+    assert re.match('.*written user event.*?visitor_id: "test_visitor_id".*',
+                    output)