added the new request SetChatAdministratorCustomTitle to manage the custom titles of administrators promoted by the bot.

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## 0.21.0 TelegramBotAPI 4.5
 
+* Added the new request `SetChatAdministratorCustomTitle` to manage the custom titles of administrators promoted by the
+bot.
 * Added the field `slowModeDelay` to the `ExtendedSupergroupChat` objects.
 
 ## 0.20.0 MPP Migration

src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/chat/members/SetChatAdministratorCustomTitle.kt

@@ -0,0 +1,24 @@
+package com.github.insanusmokrassar.TelegramBotAPI.requests.chat.members
+
+import com.github.insanusmokrassar.TelegramBotAPI.CommonAbstracts.types.ChatRequest
+import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.SimpleRequest
+import com.github.insanusmokrassar.TelegramBotAPI.requests.chat.abstracts.ChatMemberRequest
+import com.github.insanusmokrassar.TelegramBotAPI.types.*
+import kotlinx.serialization.*
+import kotlinx.serialization.internal.BooleanSerializer
+
+@Serializable
+data class SetChatAdministratorCustomTitle(
+    @SerialName(chatIdField)
+    override val chatId: ChatId,
+    @SerialName(userIdField)
+    override val userId: UserId,
+    @SerialName(customTitleField)
+    val customTitle: String
+) : ChatMemberRequest<Boolean> {
+    override fun method(): String = "setChatAdministratorCustomTitle"
+    override val resultDeserializer: DeserializationStrategy<Boolean>
+        get() = BooleanSerializer
+    override val requestSerializer: SerializationStrategy<*>
+        get() = RestrictChatMember.serializer()
+}

src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/Common.kt

@@ -95,6 +95,7 @@ const val switchInlineQueryField = "switch_inline_query"
 const val isAnimatedField = "is_animated"
 const val inviteLinkField = "invite_link"
 const val pinnedMessageField = "pinned_message"
+const val customTitleField = "custom_title"
 
 
 const val requestWriteAccessField = "request_write_access"