Slack
slack_send_message
Send a message to a Slack channel, DM, or thread. Supports Block Kit for rich formatting. Always provide "text" as notification fallback even when using "blocks". Rate limit: 1 message/sec/channel.
Remote node2flow/slack
Remote (network-hosted)
Other tools also called slack_send_message?
See providers with this name
Input Schema
{
"type": "object",
"properties": {
"text": {
"type": "string",
"description": "Message text (required as fallback even when using blocks). Supports mrkdwn formatting."
},
"blocks": {
"type": "array",
"description": "Block Kit blocks for rich message layout (JSON array of block objects)"
},
"mrkdwn": {
"type": "boolean",
"description": "Enable markdown parsing (default: true)"
},
"channel": {
"type": "string",
"description": "Channel ID (C...), DM ID (D...), or user ID to send to"
},
"thread_ts": {
"type": "string",
"description": "Thread timestamp to reply in a thread (e.g. \"1234567890.123456\")"
},
"unfurl_links": {
"type": "boolean",
"description": "Enable link unfurling (default: true)"
},
"unfurl_media": {
"type": "boolean",
"description": "Enable media unfurling (default: true)"
},
"reply_broadcast": {
"type": "boolean",
"description": "Also post threaded reply to channel (only with thread_ts)"
}
}
}