[ReadMe] updated readMe file for LoginAsCustomer-Marketplace modules

app/code/Magento/LoginAsCustomer/README.md

@@ -1,3 +1,21 @@
 # Magento_LoginAsCustomer module
 
-The Magento_LoginAsCustomer module is responsible for ability to login into customer account using the admin panel.
+This module is responsible for ability to login into customer account using the admin panel.
+
+## Installation
+
+The Magento_LoginAsCustomer module creates the `login_as_customer` table in the database.
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Extensibility
+
+Extension developers can interact with the Magento_LoginAsCustomer module. For more information about the Magento extension mechanism, see [Magento plugins](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_LoginAsCustomer module.
+
+## Additional information
+
+This module is a part of Login As Customer feature.
+
+[Learn more about Login As Customer feature](https://docs.magento.com/user-guide/customers/login-as-customer.html)

app/code/Magento/LoginAsCustomerAdminUi/README.md

@@ -1,3 +1,38 @@
-# Magento_LoginAsCustomerSales module
+# Magento_LoginAsCustomerAdminUi module
 
-The Magento_LoginAsCustomerAdminUi module provides UI for Admin Panel
+This module provides UI for Admin Panel for Login As Customer functionality.
+
+## Installation
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Extensibility
+
+Extension developers can interact with the Magento_LoginAsCustomerAdminUi module. For more information about the Magento extension mechanism, see [Magento plugins](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_LoginAsCustomerAdminUi module.
+
+### Layouts
+
+This module introduces the following layouts in the `view/adminhtml/layout` directory:
+- `adminhtml_order_shipment_view`
+- `customer_index_edit`
+- `loginascustomer_confirmation_popup`
+- `sales_order_creditmemo_view`
+- `sales_order_invoice_view`
+- `sales_order_view`
+
+For more information about a layout in Magento 2, see the [Layout documentation](https://devdocs.magento.com/guides/v2.4/frontend-dev-guide/layouts/layout-overview.html).
+
+### UI components
+
+This module extends ui components. The configuration files located in the directory `view/adminhtml/ui_component`:
+- `customer_form`
+
+For information about a UI component in Magento 2, see [Overview of UI components](http://devdocs.magento.com/guides/v2.4/ui_comp_guide/bk-ui_comps.html).
+
+## Additional information
+
+This module is a part of Login As Customer feature.
+
+[Learn more about Login As Customer feature](https://docs.magento.com/user-guide/customers/login-as-customer.html).

app/code/Magento/LoginAsCustomerApi/README.md

@@ -1,3 +1,46 @@
-# Magento_LoginAsCustomer module
+# Magento_LoginAsCustomerApi module
 
-The Magento_LoginAsCustomerApi module provides API for ability to login into customer account for an admin user.
+This module provides API for ability to login into customer account for an admin user.
+
+## Installation
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Extensibility
+
+Extension developers can interact with the Magento_LoginAsCustomerApi module. For more information about the Magento extension mechanism, see [Magento plugins](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_LoginAsCustomerApi module.
+
+### Public APIs
+
+- `\Magento\LoginAsCustomerApi\Api\DataAuthenticationDataInterface`:
+    - authentication data
+
+- `\Magento\LoginAsCustomerApi\Api\AuthenticateCustomerBySecretInterface`:
+    - authenticate a customer by secret
+
+- `\Magento\LoginAsCustomerApi\Api\ConfigInterface`:
+    - check if Login as Customer extension is enabled
+    - check if store view manual choice is enabled
+    - get authentication data expiration time (in seconds)
+
+- `\Magento\LoginAsCustomerApi\Api\DeleteAuthenticationDataForUserInterface`:
+    - delete authentication data by user id
+
+- `\Magento\LoginAsCustomerApi\Api\GetAuthenticationDataBySecretInterface`:
+    - get authentication data by secret
+
+- `\Magento\LoginAsCustomerApi\Api\IsLoginAsCustomerSessionActiveInterface`:
+    - check if Login as Customer session is still active
+
+- `\Magento\LoginAsCustomerApi\Api\SaveAuthenticationDataInterface`:
+    - save authentication data. Return secret key
+
+For information about a public API in Magento 2, see [Public interfaces & APIs](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/api-concepts.html).
+
+## Additional information
+
+This module is a part of Login As Customer feature.
+
+[Learn more about Login As Customer feature](https://docs.magento.com/user-guide/customers/login-as-customer.html).

app/code/Magento/LoginAsCustomerAssistance/README.md

@@ -1,3 +1,39 @@
 # Magento_LoginAsCustomerAssistance module
 
-The Magento_LoginAsCustomerAssistance module provides possibility to enable/disable LoginAsCustomer functionality per Customer.
+This module provides possibility to enable/disable LoginAsCustomer functionality per Customer.
+
+## Installation
+
+The Magento_LoginAsCustomerAssistance module creates the `login_as_customer_assistance_allowed` table in the database.
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Extensibility
+
+Extension developers can interact with the Magento_LoginAsCustomerAssistance module. For more information about the Magento extension mechanism, see [Magento plugins](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_LoginAsCustomerAssistance module.
+
+### Layouts
+
+This module introduces the following layouts in the `view/adminhtml/layout` and  `view/frontend/layout` directories:
+- `view/adminhtml/layout`:
+    - `loginascustomer_confirmation_popup`
+- `view/frontend/layout`:
+    - `customer_account_create`
+    - `customer_account_edit`
+
+For more information about a layout in Magento 2, see the [Layout documentation](https://devdocs.magento.com/guides/v2.4/frontend-dev-guide/layouts/layout-overview.html).
+
+### UI components
+
+This module extends ui components. The configuration files located in the directory `view/adminhtml/ui_component`:
+- `customer_form`
+
+For information about a UI component in Magento 2, see [Overview of UI components](http://devdocs.magento.com/guides/v2.4/ui_comp_guide/bk-ui_comps.html).
+
+## Additional information
+
+This module is a part of Login As Customer feature.
+
+[Learn more about Login As Customer feature](https://docs.magento.com/user-guide/customers/login-as-customer.html).

app/code/Magento/LoginAsCustomerFrontendUi/README.md

@@ -1,3 +1,23 @@
-# Magento_LoginAsCustomerSales module
+# Magento_LoginAsCustomerFrontendUi module
 
-The Magento_LoginAsCustomerFrontendUi module provides UI for Storefront
+This module provides UI for Storefront for Login As Customer functionality.
+
+## Extensibility
+
+Extension developers can interact with the Magento_LoginAsCustomerFrontendUi module. For more information about the Magento extension mechanism, see [Magento plugins](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_LoginAsCustomerFrontendUi module.
+
+### Layouts
+
+This module introduces the following layouts in the `view/frontend/layout` directory:
+- `loginascustomer_login_index`
+- `default`
+
+For more information about a layout in Magento 2, see the [Layout documentation](https://devdocs.magento.com/guides/v2.4/frontend-dev-guide/layouts/layout-overview.html).
+
+## Additional information
+
+This module is a part of Login As Customer feature.
+
+[Learn more about Login As Customer feature](https://docs.magento.com/user-guide/customers/login-as-customer.html).

app/code/Magento/LoginAsCustomerGraphQl/README.md

@@ -1,3 +1,28 @@
-# LoginAsCustomerGraphQl
+# Magento_LoginAsCustomerGraphQl module
 
-**LoginAsCustomerGraphQl** provides flexible login as a customer so a merchant or merchant admin can log into an end customer's account to assist them with their account.
+This module provides flexible login as a customer so a merchant or merchant admin can log into an end customer's account to assist them with their account.
+
+## Installation
+
+Before installing this module, note that the Magento_GroupedProductGraphQl is dependent on the following modules:
+
+- Magento_LoginAsCustomerApi
+- Magento_Customer
+- Magento_Store
+- Magento_CatalogGraphQlr
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Extensibility
+
+Extension developers can interact with the Magento_LoginAsCustomerApi module. For more information about the Magento extension mechanism, see [Magento plugins](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_LoginAsCustomerApi module.
+
+## Additional information
+
+This module is a part of Login As Customer feature.
+
+[Learn more about Login As Customer feature](https://docs.magento.com/user-guide/customers/login-as-customer.html).
+
+You can get more information about [GraphQl In Magento 2](https://devdocs.magento.com/guides/v2.4/graphql).

app/code/Magento/LoginAsCustomerLog/README.md

@@ -1,3 +1,52 @@
 # Magento_LoginAsCustomerLog module
 
-The Magento_LoginAsCustomerLog module provides log for Login as Customer functionality
+This module provides log for Login as Customer functionality
+
+## Installation
+
+The Magento_LoginAsCustomerLog module creates the `magento_login_as_customer_log` table in the database.
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Extensibility
+
+Extension developers can interact with the Magento_LoginAsCustomerLog module. For more information about the Magento extension mechanism, see [Magento plugins](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_LoginAsCustomerLog module.
+
+### Layouts
+
+This module introduces the following layouts in the `view/adminhtml/layout` directory:
+- `loginascustomer_log_log_index`
+
+For more information about a layout in Magento 2, see the [Layout documentation](https://devdocs.magento.com/guides/v2.4/frontend-dev-guide/layouts/layout-overview.html).
+
+### UI components
+
+You can extend log listing updates using the configuration files located in the directories
+- `view/adminhtml/ui_component`:
+    - `login_as_customer_log_listing`
+
+For information about a UI component in Magento 2, see [Overview of UI components](http://devdocs.magento.com/guides/v2.4/ui_comp_guide/bk-ui_comps.html).
+
+### Public APIs
+
+- `\Magento\LoginAsCustomerLog\Api\Data\LogInterface`
+    - login as customer log data
+
+- `\Magento\LoginAsCustomerLog\Api\Data\LogSearchResultsInterface`
+    - login as customer log entity search results data
+
+- `\Magento\LoginAsCustomerLog\Api\GetLogsListInterface`:
+    - get login as customer log list considering search criteria
+
+- `\Magento\LoginAsCustomerLog\Api\SaveLogsInterface`:
+    - save login as custom logs entities
+
+For information about a public API in Magento 2, see [Public interfaces & APIs](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/api-concepts.html).
+
+## Additional information
+
+This module is a part of Login As Customer feature.
+
+[Learn more about Login As Customer feature](https://docs.magento.com/user-guide/customers/login-as-customer.html).

app/code/Magento/LoginAsCustomerPageCache/README.md

@@ -1,3 +1,17 @@
-# LoginAsCustomerPageCache module
+# Magento_LoginAsCustomerPageCache module
 
-The Magento_LoginAsCustomerPageCache module provides adaptation to PageCache functionality
+This module provides adaptation to PageCache functionality for Login as Customer functionality. 
+
+## Installation
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Extensibility
+
+[The Magento dependency injection mechanism](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_LoginAsCustomerPageCache module.
+
+## Additional information
+
+This module is a part of Login As Customer feature.
+
+[Learn more about Login As Customer feature](https://docs.magento.com/user-guide/customers/login-as-customer.html).

app/code/Magento/LoginAsCustomerQuote/README.md

@@ -1,3 +1,17 @@
 # Magento_LoginAsCustomerQuote module
 
 The Magento_LoginAsCustomerQuote module is responsible for communication between Magento_LoginAsCustomer and shopping cart state.
+
+## Installation
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Extensibility
+
+[The Magento dependency injection mechanism](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_LoginAsCustomerQuote module.
+
+## Additional information
+
+This module is a part of Login As Customer feature.
+
+[Learn more about Login As Customer feature](https://docs.magento.com/user-guide/customers/login-as-customer.html).

app/code/Magento/LoginAsCustomerSales/README.md

@@ -1,3 +1,17 @@
 # Magento_LoginAsCustomerSales module
 
-The Magento_LoginAsCustomerSales module is responsible for communication between Magento_LoginAsCustomer and order placement.
+This module is responsible for communication between Magento_LoginAsCustomer and order placement.
+
+## Installation
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Extensibility
+
+[The Magento dependency injection mechanism](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_LoginAsCustomerSales module.
+
+## Additional information
+
+This module is a part of Login As Customer feature.
+
+[Learn more about Login As Customer feature](https://docs.magento.com/user-guide/customers/login-as-customer.html).

app/code/Magento/Marketplace/README.md

@@ -1 +1,21 @@
-The Magento_Marketplace module allows to display partners of Magento in the backend.
+# Magento_Marketplace module
+
+This module allows to display partners of Magento in the backend.
+
+## Installation
+
+For information about a module installation in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
+
+## Extensibility
+
+Extension developers can interact with the Magento_Marketplace module. For more information about the Magento extension mechanism, see [Magento plugins](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
+
+[The Magento dependency injection mechanism](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_Marketplace module.
+
+### Layouts
+
+This module introduces the following layouts in the `view/adminhtml/layout` directory:
+- `marketplace_index_index`
+- `marketplace_partners_index`
+
+For more information about a layout in Magento 2, see the [Layout documentation](https://devdocs.magento.com/guides/v2.4/frontend-dev-guide/layouts/layout-overview.html).