Create reaction
Add an emoji reaction or poll vote to a message or forum post. In forums, the reaction is always a like.
Required permissions:
chat:read
Authorizations
A 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 ***************************
Body
Parameters for CreateReaction
The unique identifier of the message or forum post to react to.
The emoji to react with, in shortcode or unicode format. For example, ':heart:' or a unicode emoji. Ignored in forums where reactions are always likes.
The unique identifier of a poll option to vote for. Only valid when the target message or post contains a poll.
Response
A successful response
A single reaction left by a user on a feed post, such as a like or emoji.
The emoji used for this reaction in shortcode format. Null if the reaction type is not emoji.
":heart:"
The unique identifier for the entity
"reac_xxxxxxxxxxxxxxxxxxxxxx"
The unique identifier of the post this reaction was left on.
The user who left this reaction on the post.

