diff --git a/dnf-behave-tests/dnf/plugins-core/actions-json_mode.feature b/dnf-behave-tests/dnf/plugins-core/actions-json_mode.feature
index 58f2ac9c2..b40cb0581 100644
--- a/dnf-behave-tests/dnf/plugins-core/actions-json_mode.feature
+++ b/dnf-behave-tests/dnf/plugins-core/actions-json_mode.feature
@@ -370,13 +370,13 @@ check_reply(
 
     And file "/var/log/dnf5.log" contains lines
     """
-    TRACE Actions plugin: Hook in file .* Test log message 1
-    DEBUG Actions plugin: Hook in file .* Test log message 2
-    INFO Actions plugin: Hook in file .* Test log message 3
-    NOTICE Actions plugin: Hook in file .* Test log message 4
-    WARNING Actions plugin: Hook in file .* Test log message 5
-    ERROR Actions plugin: Hook in file .* Test log message 6
-    CRITICAL Actions plugin: Hook in file .* Test log message 7
+    TRACE Actions plugin: .* Test log message 1
+    DEBUG Actions plugin: .* Test log message 2
+    INFO Actions plugin: .* Test log message 3
+    NOTICE Actions plugin: .* Test log message 4
+    WARNING Actions plugin: .* Test log message 5
+    ERROR Actions plugin: .* Test log message 6
+    CRITICAL Actions plugin: .* Test log message 7
     """
 
 
@@ -727,3 +727,114 @@ check_reply("Incomplete input", {})
     Syntax error in json request .* expected
     Syntax error in json request .* Incomplete input
     """
+
+
+Scenario: Testing the "error" action message (JSON mode)
+  Given I create and substitute file "/etc/dnf/libdnf5-plugins/actions.d/test.actions" with
+    """
+    repos_configured:::mode=json:/bin/python3 {context.dnf.installroot}/etc/dnf/libdnf5-plugins/actions.d/json_hook_error1.py {context.dnf.installroot}/actions.log
+    repos_configured:::mode=json raise_error=0:/bin/python3 {context.dnf.installroot}/etc/dnf/libdnf5-plugins/actions.d/json_hook_error2.py {context.dnf.installroot}/actions.log
+    repos_configured:::mode=json raise_error=1:/bin/python3 {context.dnf.installroot}/etc/dnf/libdnf5-plugins/actions.d/json_hook_error3.py {context.dnf.installroot}/actions.log
+    """
+
+    And I create file "/etc/dnf/libdnf5-plugins/actions.d/json_hook_error1.py" with
+"""
+from json_test_utils import *
+
+send_request({"op": "error", "args": {"message": "Error in action process 1"}})
+check_reply(
+    'Sent "error" message, no "raise_error" defined',
+    {"op": "reply", "requested_op": "error", "domain": "error", "status": "OK"})
+"""
+
+    And I create file "/etc/dnf/libdnf5-plugins/actions.d/json_hook_error2.py" with
+"""
+from json_test_utils import *
+
+send_request({"op": "error", "args": {"message": "Error in action process 2"}})
+check_reply(
+    'Sent "error" message, "raise_error=0"',
+    {"op": "reply", "requested_op": "error", "domain": "error", "status": "OK"})
+"""
+
+    And I create file "/etc/dnf/libdnf5-plugins/actions.d/json_hook_error3.py" with
+"""
+from json_test_utils import *
+
+send_request({"op": "error", "args": {"message": "Error in action process 3"}})
+check_reply(
+    'Sent "error" message, "raise_error=1"',
+    {"op": "reply", "requested_op": "error", "domain": "error", "status": "OK"})
+"""
+
+   When I execute dnf with args "repo list"
+   Then the exit code is 1
+
+    And file "/actions.log" contents is
+    """
+    Sent "error" message, no "raise_error" defined: OK
+    Sent "error" message, "raise_error=0": OK
+    Sent "error" message, "raise_error=1": Error: No reply
+    """
+
+    And stderr contains "Action sent error message: Error in action process 3"
+
+    And file "/var/log/dnf5.log" contains lines
+    """
+    ERROR Actions plugin: .* Action sent error message: Error in action process 1
+    ERROR Actions plugin: .* Action sent error message: Error in action process 2
+    """
+
+
+Scenario: Testing the "stop" action request (JSON mode)
+  Given I create and substitute file "/etc/dnf/libdnf5-plugins/actions.d/test.actions" with
+    """
+    repos_configured:::mode=json raise_error=1:/bin/python3 {context.dnf.installroot}/etc/dnf/libdnf5-plugins/actions.d/json_hook_stop.py {context.dnf.installroot}/actions.log
+    """
+
+    And I create file "/etc/dnf/libdnf5-plugins/actions.d/json_hook_stop.py" with
+"""
+from json_test_utils import *
+
+send_request({"op": "stop", "args": {"message": "I want to stop the task"}})
+check_reply(
+    'Sent "stop" request',
+    {"op": "reply", "requested_op": "stop", "domain": "stop", "status": "OK"})
+"""
+
+   When I execute dnf with args "repo list"
+   Then the exit code is 1
+
+    And file "/actions.log" contents is
+    """
+    Sent "stop" request: Error: No reply
+    """
+
+    And stderr contains "Action calls for stop: I want to stop the task"
+
+
+Scenario: Testing the "stop" action request (JSON mode), must thrown exception even with "raise_error=0"
+  Given I create and substitute file "/etc/dnf/libdnf5-plugins/actions.d/test.actions" with
+    """
+    repos_configured:::mode=json raise_error=0:/bin/python3 {context.dnf.installroot}/etc/dnf/libdnf5-plugins/actions.d/json_hook_stop.py {context.dnf.installroot}/actions.log
+    """
+
+    And I create file "/etc/dnf/libdnf5-plugins/actions.d/json_hook_stop.py" with
+"""
+from json_test_utils import *
+
+send_request({"op": "stop", "args": {"message": "I want to stop the task"}})
+check_reply(
+    'Sent "stop" request',
+    {"op": "reply", "requested_op": "stop", "domain": "stop", "status": "OK"})
+"""
+
+   When I execute dnf with args "repo list"
+   Then the exit code is 1
+
+    And file "/actions.log" contents is
+    """
+    Sent "stop" request: Error: No reply
+    """
+
+    And stderr contains "Action calls for stop: I want to stop the task"
diff --git a/dnf-behave-tests/dnf/plugins-core/actions.feature b/dnf-behave-tests/dnf/plugins-core/actions.feature
index fd01c9948..327a8a6a6 100644
--- a/dnf-behave-tests/dnf/plugins-core/actions.feature
+++ b/dnf-behave-tests/dnf/plugins-core/actions.feature
@@ -235,3 +235,146 @@ Scenario: Reason change is in transaction
     \? installonlyA-0:2.0-1.x86_64 repo @System
     I installonlyA-0:2.2-1.x86_64 repo installonly
     """
+
+
+Scenario: Testing the "raise_error" and a non-existent action process file
+  Given I create and substitute file "/etc/dnf/libdnf5-plugins/actions.d/test.actions" with
+    """
+    # Error logged.
+    repos_configured::::/bin/non-existed ab c
+    repos_configured:::raise_error=0:/bin/non-existed d ef
+
+    # Exception thrown.
+    repos_configured:::raise_error=1:/bin/non-existed xy z
+    """
+   When I execute dnf with args "install setup"
+   Then the exit code is 1
+    And stderr contains "Cannot execute action, command \"/bin/non-existed\" arguments \"xy z\""
+    And file "/var/log/dnf5.log" contains lines
+    """
+    ERROR Actions plugin: .* Cannot execute action, command "/bin/non-existed" arguments "ab c"
+    ERROR Actions plugin: .* Cannot execute action, command "/bin/non-existed" arguments "d ef"
+    """
+
+
+Scenario: Testing the "raise_error" option and exit codes
+  Given I create and substitute file "/etc/dnf/libdnf5-plugins/actions.d/test.actions" with
+    """
+    # Zero exit code. Success. No error was logged and no exception was thrown.
+    repos_configured::::/bin/sh -c exit\ 0
+    repos_configured:::raise_error=0:/bin/sh -c exit\ 0
+    repos_configured:::raise_error=1:/bin/sh -c exit\ 0
+
+    # Non-zero exit code. Error logged.
+    repos_configured::::/bin/sh -c exit\ 1
+    repos_configured:::raise_error=0:/bin/sh -c exit\ 2
+
+    # Non-zero exit code. Exception thrown.
+    repos_configured:::raise_error=1:/bin/sh -c exit\ 3
+    """
+   When I execute dnf with args "install setup"
+   Then the exit code is 1
+    And stderr contains "Exit code: 3"
+    And file "/var/log/dnf5.log" does not contain lines
+    """
+    ERROR Actions plugin: .* Exit code: 0
+    """
+    And file "/var/log/dnf5.log" contains lines
+    """
+    ERROR Actions plugin: .* Exit code: 1
+    ERROR Actions plugin: .* Exit code: 2
+    """
+
+
+Scenario: Testing the "raise_error" option and failed to process the output line in plain communication mode
+  Given I create and substitute file "/etc/dnf/libdnf5-plugins/actions.d/test.actions" with
+    """
+    # Error logged.
+    repos_configured::::/bin/sh -c echo\ "conf.nonexist_option=1"
+    repos_configured:::raise_error=0:/bin/sh -c echo\ "conf.nonexist_option=2"
+
+    # Exception thrown.
+    repos_configured:::raise_error=1:/bin/sh -c echo\ "conf.nonexist_option=3"
+    """
+   When I execute dnf with args "install setup"
+   Then the exit code is 1
+    And stderr contains "Cannot set option: Action output line: conf.nonexist_option=3"
+    And file "/var/log/dnf5.log" contains lines
+    """
+    ERROR Actions plugin: .* Cannot set option: Action output line: conf.nonexist_option=1
+    ERROR Actions plugin: .* Cannot set option: Action output line: conf.nonexist_option=2
+    """
+
+
+Scenario: Testing the "error" action message
+  Given I create and substitute file "/etc/dnf/libdnf5-plugins/actions.d/test.actions" with
+    """
+    # Error logged.
+    repos_configured::::/bin/sh -c echo\ "error=Error\ in\ action\ process\ 1"
+    repos_configured:::raise_error=0:/bin/sh -c echo\ "error=Error\ in\ action\ process\ 2"
+
+    # Exception thrown.
+    repos_configured:::raise_error=1:/bin/sh -c echo\ "error=Error\ in\ action\ process\ 3"
+    """
+   When I execute dnf with args "install setup"
+   Then the exit code is 1
+    And stderr contains "Action sent error message: Error in action process 3"
+    And file "/var/log/dnf5.log" contains lines
+    """
+    ERROR Actions plugin: .* Action sent error message: Error in action process 1
+    ERROR Actions plugin: .* Action sent error message: Error in action process 2
+    """
+
+
+Scenario: Testing the "stop" action request
+  Given I create and substitute file "/etc/dnf/libdnf5-plugins/actions.d/test.actions" with
+    """
+    # Exception thrown.
+    repos_configured:::raise_error=1:/bin/sh -c echo\ "stop=I\ want\ to\ stop\ the\ task"
+    """
+   When I execute dnf with args "install setup"
+   Then the exit code is 1
+    And stderr contains "Action calls for stop: I want to stop the task"
+
+
+Scenario: Testing the "stop" action request, must thrown exception even with "raise_error=0"
+  Given I create and substitute file "/etc/dnf/libdnf5-plugins/actions.d/test.actions" with
+    """
+    # Exception thrown.
+    repos_configured:::raise_error=0:/bin/sh -c echo\ "stop=I\ want\ to\ stop\ the\ task"
+    """
+   When I execute dnf with args "install setup"
+   Then the exit code is 1
+    And stderr contains "Action calls for stop: I want to stop the task"
+
+
+Scenario: Testing the "log" action request
+  Given I create and substitute file "/etc/dnf/libdnf5-plugins/actions.d/test.actions" with
+    """
+    # Error logged.
+    repos_configured::::/bin/sh -c echo\ "log.TRACE=Test\ log\ message\ 1"
+    repos_configured::::/bin/sh -c echo\ "log.DEBUG=Test\ log\ message\ 2"
+    repos_configured::::/bin/sh -c echo\ "log.INFO=Test\ log\ message\ 3"
+    repos_configured::::/bin/sh -c echo\ "log.NOTICE=Test\ log\ message\ 4"
+    repos_configured::::/bin/sh -c echo\ "log.WARNING=Test\ log\ message\ 5"
+    repos_configured::::/bin/sh -c echo\ "log.ERROR=Test\ log\ message\ 6"
+    repos_configured::::/bin/sh -c echo\ "log.CRITICAL=Test\ log\ message\ 7"
+    repos_configured:::raise_error=0:/bin/sh -c echo\ "log.BAD_LEVEL=Test\ log\ message\ 8"
+
+    # Exception thrown.
+    repos_configured:::raise_error=1:/bin/sh -c echo\ "log.BAD_LEVEL=Test\ log\ message\ 9"
+    """
+   When I execute dnf with args "install setup"
+   Then the exit code is 1
+    And stderr contains "Action sent the wrong log level: log.BAD_LEVEL=Test log message 9"
+    And file "/var/log/dnf5.log" contains lines
+    """
+    TRACE Actions plugin: .* Test log message 1
+    DEBUG Actions plugin: .* Test log message 2
+    INFO Actions plugin: .* Test log message 3
+    NOTICE Actions plugin: .* Test log message 4
+    WARNING Actions plugin: .* Test log message 5
+    ERROR Actions plugin: .* Test log message 6
+    CRITICAL Actions plugin: .* Test log message 7
+    ERROR Actions plugin: .* Action sent the wrong log level: log.BAD_LEVEL=Test log message 8
+    """