| Name | Type | Description | Notes |
|---|---|---|---|
| channel_type | str | Specifies the type of the channel. Currently, a value of group_channels is only available for the parameter. | |
| channel_url | str | Specifies the URL of the target channel. | |
| message_id | int | Specifies the unique ID of the message to add a reaction to. | |
| user_id | str | Specifies the ID of the user who reacts to the message. | |
| reaction | str | Specifies the unique key of the reaction to be added to the message. The length is limited to 192 charaters. | |
| any string name | bool, date, datetime, dict, float, int, list, str, none_type | any string name can be used but the value must be the correct type | [optional] |