Microsoft teams (opensearch-project#676)

* Added feature support for microsoft teams webhoo Signed-off-by: danielkyalo599 <johbiento@gmail.com> * Added feature support for microsoft teams webhook ,removed valid webhooks Signed-off-by: danielkyalo599 <johbiento@gmail.com> * Added feature support for Microsoft teams webhook Signed-off-by: danielkyalo599 <johbiento@gmail.com> * Refactored feature support for ms teams and added unit and integTest Signed-off-by: danielkyalo599 <johbiento@gmail.com> * fix build in core Signed-off-by: zhichao-aws <zhichaog@amazon.com> * fix core-spi build Signed-off-by: zhichao-aws <zhichaog@amazon.com> * fix notifications main code Signed-off-by: zhichao-aws <zhichaog@amazon.com> * fix mappings, add IT Signed-off-by: zhichao-aws <zhichaog@amazon.com> * add auto upgrade mapping logic Signed-off-by: zhichao-aws <zhichaog@amazon.com> * put load mapping to initialize step Signed-off-by: zhichao-aws <zhichaog@amazon.com> * add schema_version field Signed-off-by: zhichao-aws <zhichaog@amazon.com> * add integ test Signed-off-by: zhichao-aws <zhichaog@amazon.com> * adjust with auto upgrade mapping logic Signed-off-by: zhichao-aws <zhichaog@amazon.com> * add bwc Signed-off-by: zhichao-aws <zhichaog@amazon.com> * modify bwc Signed-off-by: zhichao-aws <zhichaog@amazon.com> * modify bwc Signed-off-by: zhichao-aws <zhichaog@amazon.com> * resolve comments Signed-off-by: zhichao-aws <zhichaog@amazon.com> * add license header Signed-off-by: zhichao-aws <zhichaog@amazon.com> * fix microsoft teams sample url in IT to adapt url validation Signed-off-by: zhichao-aws <zhichaog@amazon.com> --------- Signed-off-by: danielkyalo599 <johbiento@gmail.com> Signed-off-by: zhichao-aws <zhichaog@amazon.com> Co-authored-by: danielkyalo599 <johbiento@gmail.com> Signed-off-by: Aniruddh <ansriv2005@gmail.com>
Noir01 · Nov 16, 2023 · 0ff5ba0 · 0ff5ba0
1 parent d36b9c0
commit 0ff5ba0
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Showing 28 changed files with 575 additions and 32 deletions.
diff --git a/...spi/src/main/kotlin/org/opensearch/notifications/spi/model/destination/DestinationType.kt b/...spi/src/main/kotlin/org/opensearch/notifications/spi/model/destination/DestinationType.kt
@@ -8,5 +8,5 @@ package org.opensearch.notifications.spi.model.destination
  * Supported notification destinations
  */
 enum class DestinationType {
-    CHIME, SLACK, CUSTOM_WEBHOOK, SMTP, SES, SNS
+    CHIME, SLACK, MICROSOFT_TEAMS, CUSTOM_WEBHOOK, SMTP, SES, SNS
 }
diff --git a/...in/kotlin/org/opensearch/notifications/spi/model/destination/MicrosoftTeamsDestination.kt b/...in/kotlin/org/opensearch/notifications/spi/model/destination/MicrosoftTeamsDestination.kt
@@ -0,0 +1,13 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.opensearch.notifications.spi.model.destination
+
+/**
+ * This class holds the contents of a Microsoft Teams destination
+ */
+class MicrosoftTeamsDestination(
+    url: String,
+) : WebhookDestination(url, DestinationType.MICROSOFT_TEAMS)
diff --git a/...core-spi/src/test/kotlin/org/opensearch/notifications/spi/utils/ValidationHelpersTests.kt b/...core-spi/src/test/kotlin/org/opensearch/notifications/spi/utils/ValidationHelpersTests.kt
@@ -22,6 +22,7 @@ internal class ValidationHelpersTests {
     private val LOCAL_HOST_EXTENDED = "https://localhost:6060/service"
     private val WEBHOOK_URL = "https://test-webhook.com:1234/subdirectory?param1=value1&param2=&param3=value3"
     private val CHIME_URL = "https://domain.com/sample_chime_url#1234567890"
+    private val MICROSOFT_TEAMS_WEBHOOK_URL = "https://test.webhook.office.com/webhookb2/12345678/IncomingWebhook/87654321"
 
     private val hostDenyList = listOf(
         "127.0.0.0/8",
@@ -99,4 +100,8 @@ internal class ValidationHelpersTests {
     fun `validator identifies chime url as valid`() {
         assert(isValidUrl(CHIME_URL))
     }
+    @Test
+    fun `validator identifies microsoft teams url as valid`() {
+        assert(isValidUrl(MICROSOFT_TEAMS_WEBHOOK_URL))
+    }
 }
diff --git a/notifications/core/src/main/config/notifications-core.yml b/notifications/core/src/main/config/notifications-core.yml
@@ -15,5 +15,5 @@ opensearch.notifications.core:
     connection_timeout: 5000 # in milliseconds
     socket_timeout: 50000
     host_deny_list: []
-  allowed_config_types: ["slack","chime","webhook","email","sns","ses_account","smtp_account","email_group"]
+  allowed_config_types: ["slack","chime","microsoft_teams","webhook","email","sns","ses_account","smtp_account","email_group"]
   tooltip_support: true
diff --git a/notifications/core/src/main/kotlin/org/opensearch/notifications/core/NotificationCoreImpl.kt b/notifications/core/src/main/kotlin/org/opensearch/notifications/core/NotificationCoreImpl.kt
@@ -16,7 +16,7 @@ import java.security.PrivilegedAction
 
 /**
  * This is a client facing NotificationCoreImpl class to send the messages
- * to the NotificationCoreImpl channels like chime, slack, webhooks, email etc
+ * to the NotificationCoreImpl channels like chime, slack, Microsoft Teams, webhooks, email etc
  */
 object NotificationCoreImpl : NotificationCore {
     /**

diff --git a/...ns/core/src/main/kotlin/org/opensearch/notifications/core/client/DestinationHttpClient.kt b/...ns/core/src/main/kotlin/org/opensearch/notifications/core/client/DestinationHttpClient.kt
@@ -31,6 +31,7 @@ import org.opensearch.notifications.core.utils.validateUrlHost
 import org.opensearch.notifications.spi.model.MessageContent
 import org.opensearch.notifications.spi.model.destination.ChimeDestination
 import org.opensearch.notifications.spi.model.destination.CustomWebhookDestination
+import org.opensearch.notifications.spi.model.destination.MicrosoftTeamsDestination
 import org.opensearch.notifications.spi.model.destination.SlackDestination
 import org.opensearch.notifications.spi.model.destination.WebhookDestination
 import java.io.IOException
@@ -159,12 +160,14 @@ class DestinationHttpClient {
         val keyName = when (destination) {
             // Slack webhook request body has required "text" as key name https://api.slack.com/messaging/webhooks
             // Chime webhook request body has required "Content" as key name
+            // Microsoft Teams webhook request body has required "text" as key name https://learn.microsoft.com/en-us/microsoftteams/platform/webhooks-and-connectors/what-are-webhooks-and-connectors
             // Customer webhook allows input as json or plain text, so we just return the message as it is
             is SlackDestination -> "text"
             is ChimeDestination -> "Content"
+            is MicrosoftTeamsDestination -> "text"
             is CustomWebhookDestination -> return message.textDescription
             else -> throw IllegalArgumentException(
-                "Invalid destination type is provided, Only Slack, Chime and CustomWebhook are allowed"
+                "Invalid destination type is provided, Only Slack, Chime, Microsoft Teams and CustomWebhook are allowed"
             )
         }
 

diff --git a/...ications/core/src/main/kotlin/org/opensearch/notifications/core/setting/PluginSettings.kt b/...ications/core/src/main/kotlin/org/opensearch/notifications/core/setting/PluginSettings.kt
@@ -157,6 +157,7 @@ internal object PluginSettings {
     private val DEFAULT_ALLOWED_CONFIG_TYPES = listOf(
         "slack",
         "chime",
+        "microsoft_teams",
         "webhook",
         "email",
         "sns",

diff --git a/...c/main/kotlin/org/opensearch/notifications/core/transport/DestinationTransportProvider.kt b/...c/main/kotlin/org/opensearch/notifications/core/transport/DestinationTransportProvider.kt
@@ -24,6 +24,7 @@ internal object DestinationTransportProvider {
     var destinationTransportMap = mapOf(
         DestinationType.SLACK to webhookDestinationTransport,
         DestinationType.CHIME to webhookDestinationTransport,
+        DestinationType.MICROSOFT_TEAMS to webhookDestinationTransport,
         DestinationType.CUSTOM_WEBHOOK to webhookDestinationTransport,
         DestinationType.SMTP to smtpDestinationTransport,
         DestinationType.SNS to snsDestinationTransport,

diff --git a/...tions/core/src/test/kotlin/org/opensearch/notifications/core/NotificationCoreImplTests.kt b/...tions/core/src/test/kotlin/org/opensearch/notifications/core/NotificationCoreImplTests.kt
@@ -14,6 +14,7 @@ class NotificationCoreImplTests {
     private val defaultConfigTypes = listOf(
         "slack",
         "chime",
+        "microsoft_teams",
         "webhook",
         "email",
         "sns",

diff --git a/...t/kotlin/org/opensearch/notifications/core/destinations/MicrosoftTeamsDestinationTests.kt b/...t/kotlin/org/opensearch/notifications/core/destinations/MicrosoftTeamsDestinationTests.kt
@@ -0,0 +1,182 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.opensearch.notifications.core.destinations
+
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.mockkStatic
+import org.apache.hc.client5.http.classic.methods.HttpPost
+import org.apache.hc.client5.http.impl.classic.CloseableHttpClient
+import org.apache.hc.client5.http.impl.classic.CloseableHttpResponse
+import org.apache.hc.core5.http.io.entity.StringEntity
+import org.easymock.EasyMock
+import org.junit.jupiter.api.Assertions
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.assertThrows
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.Arguments
+import org.junit.jupiter.params.provider.MethodSource
+import org.opensearch.core.rest.RestStatus
+import org.opensearch.notifications.core.NotificationCoreImpl
+import org.opensearch.notifications.core.client.DestinationHttpClient
+import org.opensearch.notifications.core.transport.DestinationTransportProvider
+import org.opensearch.notifications.core.transport.WebhookDestinationTransport
+import org.opensearch.notifications.spi.model.DestinationMessageResponse
+import org.opensearch.notifications.spi.model.MessageContent
+import org.opensearch.notifications.spi.model.destination.ChimeDestination
+import org.opensearch.notifications.spi.model.destination.DestinationType
+import org.opensearch.notifications.spi.model.destination.MicrosoftTeamsDestination
+import java.net.MalformedURLException
+import java.util.stream.Stream
+
+internal class MicrosoftTeamsDestinationTests {
+    companion object {
+        @JvmStatic
+        fun escapeSequenceToRaw(): Stream<Arguments> =
+            Stream.of(
+                Arguments.of("\n", """\n"""),
+                Arguments.of("\t", """\t"""),
+                Arguments.of("\b", """\b"""),
+                Arguments.of("\r", """\r"""),
+                Arguments.of("\"", """\""""),
+            )
+    }
+
+    @BeforeEach
+    fun setup() {
+        // Stubbing isHostInDenylist() so it doesn't attempt to resolve hosts that don't exist in the unit tests
+        mockkStatic("org.opensearch.notifications.spi.utils.ValidationHelpersKt")
+        every { org.opensearch.notifications.spi.utils.isHostInDenylist(any(), any()) } returns false
+    }
+
+    @Test
+    fun `test MicrosoftTeams message null entity response`() {
+        val mockHttpClient: CloseableHttpClient = EasyMock.createMock(CloseableHttpClient::class.java)
+
+        // The DestinationHttpClient replaces a null entity with "{}".
+        val expectedWebhookResponse = DestinationMessageResponse(RestStatus.OK.status, "{}")
+
+        val httpResponse = mockk<CloseableHttpResponse>()
+        EasyMock.expect(mockHttpClient.execute(EasyMock.anyObject(HttpPost::class.java))).andReturn(httpResponse)
+
+        every { httpResponse.code } returns RestStatus.OK.status
+        every { httpResponse.entity } returns null
+        EasyMock.replay(mockHttpClient)
+
+        val httpClient = DestinationHttpClient(mockHttpClient)
+        val webhookDestinationTransport = WebhookDestinationTransport(httpClient)
+        DestinationTransportProvider.destinationTransportMap = mapOf(DestinationType.MICROSOFT_TEAMS to webhookDestinationTransport)
+
+        val title = "test MicrosoftTeams"
+        val messageText = "Message gughjhjlkh Body emoji test: :) :+1: " +
+            "link test: http://sample.com email test: marymajor@example.com All member callout: " +
+            "@All All Present member callout: @Present"
+        val url = "https://abc/com"
+
+        val destination = MicrosoftTeamsDestination(url)
+        val message = MessageContent(title, messageText)
+
+        val actualMicrosoftTeamsResponse: DestinationMessageResponse = NotificationCoreImpl.sendMessage(destination, message, "ref")
+
+        assertEquals(expectedWebhookResponse.statusText, actualMicrosoftTeamsResponse.statusText)
+        assertEquals(expectedWebhookResponse.statusCode, actualMicrosoftTeamsResponse.statusCode)
+    }
+
+    @Test
+    fun `test MicrosoftTeams message empty entity response`() {
+        val mockHttpClient: CloseableHttpClient = EasyMock.createMock(CloseableHttpClient::class.java)
+        val expectedWebhookResponse = DestinationMessageResponse(RestStatus.OK.status, "{}")
+
+        val httpResponse = mockk<CloseableHttpResponse>()
+        EasyMock.expect(mockHttpClient.execute(EasyMock.anyObject(HttpPost::class.java))).andReturn(httpResponse)
+        every { httpResponse.code } returns RestStatus.OK.status
+        every { httpResponse.entity } returns StringEntity("")
+        EasyMock.replay(mockHttpClient)
+
+        val httpClient = DestinationHttpClient(mockHttpClient)
+        val webhookDestinationTransport = WebhookDestinationTransport(httpClient)
+        DestinationTransportProvider.destinationTransportMap = mapOf(DestinationType.MICROSOFT_TEAMS to webhookDestinationTransport)
+
+        val title = "test MicrosoftTeams"
+        val messageText = "{\"Content\":\"Message gughjhjlkh Body emoji test: :) :+1: " +
+            "link test: http://sample.com email test: marymajor@example.com All member callout: " +
+            "@All All Present member callout: @Present\"}"
+        val url = "https://abc/com"
+
+        val destination = MicrosoftTeamsDestination(url)
+        val message = MessageContent(title, messageText)
+
+        val actualMicrosoftTeamsResponse: DestinationMessageResponse = NotificationCoreImpl.sendMessage(destination, message, "ref")
+
+        assertEquals(expectedWebhookResponse.statusText, actualMicrosoftTeamsResponse.statusText)
+        assertEquals(expectedWebhookResponse.statusCode, actualMicrosoftTeamsResponse.statusCode)
+    }
+
+    @Test
+    fun `test MicrosoftTeams message non-empty entity response`() {
+        val responseContent = "It worked!"
+        val mockHttpClient: CloseableHttpClient = EasyMock.createMock(CloseableHttpClient::class.java)
+        val expectedWebhookResponse = DestinationMessageResponse(RestStatus.OK.status, responseContent)
+
+        val httpResponse = mockk<CloseableHttpResponse>()
+        EasyMock.expect(mockHttpClient.execute(EasyMock.anyObject(HttpPost::class.java))).andReturn(httpResponse)
+        every { httpResponse.code } returns RestStatus.OK.status
+        every { httpResponse.entity } returns StringEntity(responseContent)
+        EasyMock.replay(mockHttpClient)
+
+        val httpClient = DestinationHttpClient(mockHttpClient)
+        val webhookDestinationTransport = WebhookDestinationTransport(httpClient)
+        DestinationTransportProvider.destinationTransportMap = mapOf(DestinationType.MICROSOFT_TEAMS to webhookDestinationTransport)
+
+        val title = "test MicrosoftTeams"
+        val messageText = "{\"Content\":\"Message gughjhjlkh Body emoji test: :) :+1: " +
+            "link test: http://sample.com email test: marymajor@example.com All member callout: " +
+            "@All All Present member callout: @Present\"}"
+        val url = "https://abc/com"
+
+        val destination = MicrosoftTeamsDestination(url)
+        val message = MessageContent(title, messageText)
+
+        val actualMicrosoftTeamsResponse: DestinationMessageResponse = NotificationCoreImpl.sendMessage(destination, message, "ref")
+
+        assertEquals(expectedWebhookResponse.statusText, actualMicrosoftTeamsResponse.statusText)
+        assertEquals(expectedWebhookResponse.statusCode, actualMicrosoftTeamsResponse.statusCode)
+    }
+
+    @Test
+    fun `test url missing should throw IllegalArgumentException with message`() {
+        val exception = Assertions.assertThrows(IllegalArgumentException::class.java) {
+            MicrosoftTeamsDestination("")
+        }
+        assertEquals("url is null or empty", exception.message)
+    }
+
+    @Test
+    fun testUrlInvalidMessage() {
+        assertThrows<MalformedURLException> {
+            ChimeDestination("invalidUrl")
+        }
+    }
+
+    @ParameterizedTest
+    @MethodSource("escapeSequenceToRaw")
+    fun `test build webhook request body for microsoft teams should have title included and prevent escape`(
+        escapeSequence: String,
+        rawString: String
+    ) {
+        val httpClient = DestinationHttpClient()
+        val title = "test MicrosoftTeams"
+        val messageText = "line1${escapeSequence}line2"
+        val url = "https://abc/com"
+        val expectedRequestBody = """{"text":"$title\n\nline1${rawString}line2"}"""
+        val destination = MicrosoftTeamsDestination(url)
+        val message = MessageContent(title, messageText)
+        val actualRequestBody = httpClient.buildRequestBody(destination, message)
+        assertEquals(expectedRequestBody, actualRequestBody)
+    }
+}
diff --git a/...ns/core/src/test/kotlin/org/opensearch/notifications/core/settings/PluginSettingsTests.kt b/...ns/core/src/test/kotlin/org/opensearch/notifications/core/settings/PluginSettingsTests.kt
@@ -54,6 +54,7 @@ internal class PluginSettingsTests {
             listOf(
                 "slack",
                 "chime",
+                "microsoft_teams",
                 "webhook",
                 "email",
                 "sns",

diff --git a/...notifications/src/main/kotlin/org/opensearch/notifications/index/ConfigIndexingActions.kt b/...notifications/src/main/kotlin/org/opensearch/notifications/index/ConfigIndexingActions.kt
@@ -4,7 +4,6 @@
  */
 
 package org.opensearch.notifications.index
-
 import org.opensearch.OpenSearchStatusException
 import org.opensearch.commons.authuser.User
 import org.opensearch.commons.notifications.action.CreateNotificationConfigRequest
@@ -23,6 +22,7 @@ import org.opensearch.commons.notifications.model.Chime
 import org.opensearch.commons.notifications.model.ConfigType
 import org.opensearch.commons.notifications.model.Email
 import org.opensearch.commons.notifications.model.EmailGroup
+import org.opensearch.commons.notifications.model.MicrosoftTeams
 import org.opensearch.commons.notifications.model.NotificationConfig
 import org.opensearch.commons.notifications.model.NotificationConfigInfo
 import org.opensearch.commons.notifications.model.NotificationConfigSearchResult
@@ -39,7 +39,6 @@ import org.opensearch.notifications.model.DocMetadata
 import org.opensearch.notifications.model.NotificationConfigDoc
 import org.opensearch.notifications.security.UserAccess
 import java.time.Instant
-
 /**
  * NotificationConfig indexing operation actions.
  */
@@ -65,6 +64,10 @@ object ConfigIndexingActions {
         // TODO: URL validation with rules
     }
 
+    private fun validateMicrosoftTeamsConfig(microsoftTeams: MicrosoftTeams, user: User?) {
+        require(microsoftTeams.url.contains(Regex("https://.*\\.webhook\\.office\\.com")))
+    }
+
     @Suppress("UnusedPrivateMember")
     private fun validateWebhookConfig(webhook: Webhook, user: User?) {
         // TODO: URL validation with rules
@@ -162,6 +165,7 @@ object ConfigIndexingActions {
             )
             ConfigType.SLACK -> validateSlackConfig(config.configData as Slack, user)
             ConfigType.CHIME -> validateChimeConfig(config.configData as Chime, user)
+            ConfigType.MICROSOFT_TEAMS -> validateMicrosoftTeamsConfig(config.configData as MicrosoftTeams, user)
             ConfigType.WEBHOOK -> validateWebhookConfig(config.configData as Webhook, user)
             ConfigType.EMAIL -> validateEmailConfig(config.configData as Email, user)
             ConfigType.SMTP_ACCOUNT -> validateSmtpAccountConfig(config.configData as SmtpAccount, user)
@@ -369,6 +373,7 @@ object ConfigIndexingActions {
         return listOf(
             ConfigType.SLACK.tag,
             ConfigType.CHIME.tag,
+            ConfigType.MICROSOFT_TEAMS.tag,
             ConfigType.WEBHOOK.tag,
             ConfigType.EMAIL.tag,
             ConfigType.SNS.tag

diff --git a/...ons/notifications/src/main/kotlin/org/opensearch/notifications/index/ConfigQueryHelper.kt b/...ons/notifications/src/main/kotlin/org/opensearch/notifications/index/ConfigQueryHelper.kt
@@ -28,6 +28,7 @@ import org.opensearch.commons.notifications.NotificationConstants.URL_TAG
 import org.opensearch.commons.notifications.model.ConfigType.CHIME
 import org.opensearch.commons.notifications.model.ConfigType.EMAIL
 import org.opensearch.commons.notifications.model.ConfigType.EMAIL_GROUP
+import org.opensearch.commons.notifications.model.ConfigType.MICROSOFT_TEAMS
 import org.opensearch.commons.notifications.model.ConfigType.SES_ACCOUNT
 import org.opensearch.commons.notifications.model.ConfigType.SLACK
 import org.opensearch.commons.notifications.model.ConfigType.SMTP_ACCOUNT
@@ -69,6 +70,7 @@ object ConfigQueryHelper {
         "$DESCRIPTION_TAG.$KEYWORD_SUFFIX",
         "${SLACK.tag}.$URL_TAG.$KEYWORD_SUFFIX",
         "${CHIME.tag}.$URL_TAG.$KEYWORD_SUFFIX",
+        "${MICROSOFT_TEAMS.tag}.$URL_TAG.$KEYWORD_SUFFIX",
         "${WEBHOOK.tag}.$URL_TAG.$KEYWORD_SUFFIX",
         "${SMTP_ACCOUNT.tag}.$HOST_TAG.$KEYWORD_SUFFIX",
         "${SMTP_ACCOUNT.tag}.$FROM_ADDRESS_TAG.$KEYWORD_SUFFIX",
@@ -82,6 +84,7 @@ object ConfigQueryHelper {
         DESCRIPTION_TAG,
         "${SLACK.tag}.$URL_TAG",
         "${CHIME.tag}.$URL_TAG",
+        "${MICROSOFT_TEAMS.tag}.$URL_TAG",
         "${WEBHOOK.tag}.$URL_TAG",
         "${SMTP_ACCOUNT.tag}.$HOST_TAG",
         "${SMTP_ACCOUNT.tag}.$FROM_ADDRESS_TAG",

diff --git a/notifications/notifications/src/main/kotlin/org/opensearch/notifications/metrics/Metrics.kt b/notifications/notifications/src/main/kotlin/org/opensearch/notifications/metrics/Metrics.kt
@@ -185,6 +185,10 @@ enum class Metrics(val metricName: String, val counter: Counter<*>) {
         "notifications.message_destination.chime",
         BasicCounter()
     ),
+    NOTIFICATIONS_MESSAGE_DESTINATION_MICROSOFT_TEAMS(
+        "notifications.message_destination.microsoft_teams",
+        BasicCounter()
+    ),
     NOTIFICATIONS_MESSAGE_DESTINATION_WEBHOOK(
         "notifications.message_destination.webhook",
         BasicCounter()

diff --git a/...src/main/kotlin/org/opensearch/notifications/resthandler/NotificationConfigRestHandler.kt b/...src/main/kotlin/org/opensearch/notifications/resthandler/NotificationConfigRestHandler.kt
@@ -116,6 +116,7 @@ internal class NotificationConfigRestHandler : PluginBaseHandler() {
              *     email_group.recipient_list.recipient=abc,xyz (Text filter field)
              *     slack.url=domain (Text filter field)
              *     chime.url=domain (Text filter field)
+             *     microsoft_teams.url=domain (Text filter field)
              *     webhook.url=domain (Text filter field)
              *     smtp_account.host=domain (Text filter field)
              *     smtp_account.from_address=abc,xyz (Text filter field)