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diff --git a/docs/APPC LCM API Guide/APPC LCM API Guide.rst b/docs/APPC LCM API Guide/APPC LCM API Guide.rst
index 8ea060030..e35b7c9ea 100644
--- a/docs/APPC LCM API Guide/APPC LCM API Guide.rst
+++ b/docs/APPC LCM API Guide/APPC LCM API Guide.rst
@@ -570,6 +570,8 @@ Commands, or actions, may be currently supported on all VNF types or a limited s
+-----------------------------+-----------+------------------+----------------+----------+------------------------------------------------------------+
| ConfigRestore | Yes | | | | Chef and Ansible only (requires self-service onboarding) |
+-----------------------------+-----------+------------------+----------------+----------+------------------------------------------------------------+
+| ConfigScaleIn | Yes | | Yes | Yes | Chef and Ansible only (requires self-service onboarding) |
++-----------------------------+-----------+------------------+----------------+----------+------------------------------------------------------------+
| ConfigScaleOut | Yes | | | | Any (requires self-service onboarding) |
+-----------------------------+-----------+------------------+----------------+----------+------------------------------------------------------------+
| DetachVolume | | | | Yes | Any (uses OpenStack command) |
@@ -1194,6 +1196,63 @@ If successful, the return payload contains the ‘upload_config_id’ and values
**Failure:** A failed ConfigRestore returns a failure code 401 and the failure message.
+ConfigScaleIn
+-------------
+
+The ConfigScaleIn command is used to apply any actions on a VNF as part of a ScaleIn flow. Actions could include updating the VNF configuration or running a set of other tasks.
+
+The ConfigScaleIn action can have multiple APPC templates associated with it. APPC retrieves the VfModuleModelName from A&AI (model.model-vers.model-name), which is used as the unique identifier to select the correct APPC template.
+APPC creates or updates VNFC records in A&AI for the newly instantiated VM’s. The orchestration-status of the VNFC’s is set to CONFIGURED.
+
+This action is supported via the Netconf (limited to configuration changes), Chef, and Ansible protocols.
+
+|
+
++------------------------------+------------------------------------------------------------------------------------------+
+| **Target URL** | /restconf /operations/appc-provider-lcm:config-scale-in |
++------------------------------+------------------------------------------------------------------------------------------+
+| **Action** | ConfigScaleIn |
++------------------------------+------------------------------------------------------------------------------------------+
+| **Action-Identifiers** | Vnf-id |
++------------------------------+------------------------------------------------------------------------------------------+
+| **Payload Parameters** | See below |
++------------------------------+------------------------------------------------------------------------------------------+
+| **Revision History** | New in Frankfurt |
++------------------------------+------------------------------------------------------------------------------------------+
+
+|
+
++---------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------+---------------------------------------------+
+| **Payload Parameter** | **Description** | **Required?** | **Example** |
++=================================+==================================================================================================================================================================+=====================+=============================================+
+| request-parameters | vnf-host-ip-address: optional if Netconf or other direct interface to the VNF. If not provided, the vnf-host-ip-address will be obtained from A&AI. | No | "payload": |
+| +------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------+ "{\\"request-parameters \\": |
+| | vf-module-id: used to determine the A&AI VM inventory associated with ConfigScaleIn. | Yes | { |
+| +------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------+ \\"vnf-host-ip-address\\": |
+| | controller-template-id: optional. This is a unique identifier that will identify the template associated with the ConfigScaleIn. | | \\”value\\”, |
+| | Will be needed if A&AI does not contain the template identifier. | No | \\”vf-module-id\\”: \\”value\\”, |
++---------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------+ \\”controller-template-id\\”: |
+| configuration-parameters | A set of instance specific configuration parameters should be specified. If provided, APP-C replaces variables in the configuration template with the | No | \\”value\\” |
+| | values supplied. | | } |
+| | | | |
+| | | | \\"configuration-parameters\\": |
+| | | | {\\"<CONFIG- PARAMS>\\"} |
+| | | | |
++---------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------+---------------------------------------------+
+
+ConfigScaleIn Response
+^^^^^^^^^^^^^^^^^^^^^^
+
+**Success:**
+
+ - A successful ConfigScaleIn returns a success status code 400 when completed.
+
+**Failure:**
+
+ - A failed ConfigScaleIn returns a failure code 401 and the failure message.
+ - If the ConfigScaleIn is successfully performed on the VNF but there is a failure to update A&AI inventory, an intermediate failure message with failure code 501 is returned prior to the final 400 success message.
+
+
ConfigScaleOut
--------------