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diff --git a/ice_validator/tests/test_all_parameters_used_in_template.py b/ice_validator/tests/test_all_parameters_used_in_template.py
new file mode 100644
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+++ b/ice_validator/tests/test_all_parameters_used_in_template.py
@@ -0,0 +1,80 @@
+# -*- coding: utf8 -*-
+# ============LICENSE_START====================================================
+# org.onap.vvp/validation-scripts
+# ===================================================================
+# Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+# ===================================================================
+#
+# Unless otherwise specified, all software contained herein is licensed
+# under the Apache License, Version 2.0 (the "License");
+# you may not use this software 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.
+#
+#
+#
+# Unless otherwise specified, all documentation contained herein is licensed
+# under the Creative Commons License, Attribution 4.0 Intl. (the "License");
+# you may not use this documentation except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#             https://creativecommons.org/licenses/by/4.0/
+#
+# Unless required by applicable law or agreed to in writing, documentation
+# 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.
+#
+# ============LICENSE_END============================================
+#
+# ECOMP is a trademark and service mark of AT&T Intellectual Property.
+#
+
+import pytest
+from tests import cached_yaml as yaml
+
+from .helpers import validates
+from .utils.nested_iterables import find_all_get_param_in_yml
+
+VERSION = "1.0.0"
+
+# pylint: disable=invalid-name
+
+
+@validates("R-90279")
+def test_all_parameters_used_in_template(yaml_file):
+
+    invalid_params = []
+    get_params = []
+    skip_params = ["availability_zone"]
+
+    with open(yaml_file, "r") as f:
+        yml = yaml.load(f)
+
+        template_parameters = yml.get("parameters")
+        if not template_parameters:
+            pytest.skip("no parameters found in template")
+
+        get_params = find_all_get_param_in_yml(yml)
+        if not get_params:
+            pytest.skip("no get_params found in template")
+
+    template_parameters = list(template_parameters.keys())
+    for param in template_parameters:
+        for sparam in skip_params:
+            if param.find(sparam) != -1:
+                template_parameters.remove(param)
+
+    invalid_params = set(template_parameters) - set(get_params)
+
+    assert not invalid_params, "Unused parameters detected in template {}".format(
+        invalid_params
+    )