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diff --git a/lib/ansible/modules/set_stats.py b/lib/ansible/modules/set_stats.py
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+++ b/lib/ansible/modules/set_stats.py
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+# -*- coding: utf-8 -*-
+
+# Copyright: (c) 2016, Ansible RedHat, Inc
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+
+DOCUMENTATION = r'''
+---
+module: set_stats
+short_description: Define and display stats for the current ansible run
+description:
+     - This module allows setting/accumulating stats on the current ansible run, either per host or for all hosts in the run.
+     - This module is also supported for Windows targets.
+author: Brian Coca (@bcoca)
+options:
+  data:
+    description:
+      - A dictionary of which each key represents a stat (or variable) you want to keep track of.
+    type: dict
+    required: true
+  per_host:
+    description:
+        - whether the stats are per host or for all hosts in the run.
+    type: bool
+    default: no
+  aggregate:
+    description:
+        - Whether the provided value is aggregated to the existing stat C(true) or will replace it C(false).
+    type: bool
+    default: yes
+extends_documentation_fragment:
+    - action_common_attributes
+    - action_common_attributes.conn
+    - action_common_attributes.flow
+    - action_core
+attributes:
+    action:
+        details: While the action plugin does do some of the work it relies on the core engine to actually create the variables, that part cannot be overridden
+        support: partial
+    bypass_host_loop:
+        support: none
+    bypass_task_loop:
+        support: none
+    core:
+        details: While parts of this action are implemented in core, other parts are still available as normal plugins and can be partially overridden
+        support: partial
+    check_mode:
+        support: full
+    delegation:
+        support: none
+    diff_mode:
+        support: none
+notes:
+    - In order for custom stats to be displayed, you must set C(show_custom_stats) in section C([defaults]) in C(ansible.cfg)
+      or by defining environment variable C(ANSIBLE_SHOW_CUSTOM_STATS) to C(true). See the C(default) callback plugin for details.
+version_added: "2.3"
+'''
+
+EXAMPLES = r'''
+- name: Aggregating packages_installed stat per host
+  ansible.builtin.set_stats:
+    data:
+      packages_installed: 31
+    per_host: yes
+
+- name: Aggregating random stats for all hosts using complex arguments
+  ansible.builtin.set_stats:
+    data:
+      one_stat: 11
+      other_stat: "{{ local_var * 2 }}"
+      another_stat: "{{ some_registered_var.results | map(attribute='ansible_facts.some_fact') | list }}"
+    per_host: no
+
+- name: Setting stats (not aggregating)
+  ansible.builtin.set_stats:
+    data:
+      the_answer: 42
+    aggregate: no
+'''