Add a new user to an existing DM channel. Only an admin of the channel can add members.
Required permissions:
dms:channel:manageA company API key, company scoped JWT, app API key, or user OAuth token. You must prepend your key/token with the word 'Bearer', which will look like Bearer ***************************
A successful response
A user's membership record in a messaging channel, including notification preferences and read state.
The unique identifier for the entity
The unique identifier of the user who holds this channel membership.
The unique identifier of the messaging channel this membership belongs to.
The current state of this membership: requested, accepted, hidden, closed, or archived.
requested, accepted, hidden, closed, archived The timestamp when this member last viewed the channel, as a Unix timestamp in milliseconds. Null if the member has never viewed the channel.
"123.45"
The notification level for this channel: all, mentions, or none.
all, mentions, none