Enumeration members
Call
Call = 3
ChannelFollowAdd
ChannelFollowAdd = 12
ChannelIconChange
ChannelIconChange = 5
ChannelNameChange
ChannelNameChange = 4
ChannelPinnedMessage
ChannelPinnedMessage = 6
ChatInputCommand
ChatInputCommand = 20
ContextMenuCommand
ContextMenuCommand = 23
Default
Default = 0
GuildDiscoveryDisqualified
GuildDiscoveryDisqualified = 14
GuildDiscoveryGracePeriodFinalWarning
GuildDiscoveryGracePeriodFinalWarning = 17
GuildDiscoveryGracePeriodInitialWarning
GuildDiscoveryGracePeriodInitialWarning = 16
GuildDiscoveryRequalified
GuildDiscoveryRequalified = 15
GuildInviteReminder
GuildInviteReminder = 22
GuildMemberJoin
GuildMemberJoin = 7
RecipientAdd
RecipientAdd = 1
RecipientRemove
RecipientRemove = 2
Reply
Reply = 19
ThreadCreated
ThreadCreated = 18
ThreadStarterMessage
ThreadStarterMessage = 21
UserPremiumGuildSubscription
UserPremiumGuildSubscription = 8
UserPremiumGuildSubscriptionTier1
UserPremiumGuildSubscriptionTier1 = 9
UserPremiumGuildSubscriptionTier2
UserPremiumGuildSubscriptionTier2 = 10
UserPremiumGuildSubscriptionTier3
UserPremiumGuildSubscriptionTier3 = 11
https://discord.com/developers/docs/resources/channel#message-object-message-types