> For the complete documentation index, see [llms.txt](https://docs.workflowgen.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.workflowgen.com/admin/workflow-applications/openai/openaiaddmessage.md). # OPENAIADDMESSAGE ## Overview The **OPENAIADDMESSAGE** workflow application allows you to update the message history of a conversation to add user or tool interactions. It's also possible to update the history directly from a sub-process. ## Required parameters

Parameter	Type	Direction	Description
`CONTENT`	TEXT	IN	Message history in JSON format; follows the reference structure provided in OpenAI's documentation for the `messages` object: https://platform.openai.com/docs/api-reference/chat/create#chat-create-messages.
`ROLE`	TEXT	IN	Role to associate with the message; possible values are `user`, `system`, `assistant`, or `tool`

## Optional parameters

Parameter	Type	Direction	Description
`MESSAGE_HISTORY`	TEXT	INOUT	Message history to be updated
`TOOL_CALL_ID`	TEXT	IN	If `ROLE` is `tool`, this is the tool identifier
`ASSISTANT_TOOL_CALL`	TEXT	IN	If `ROLE` is `assistant` and you want to add a list of tools to call, this is the list of tools
`REQUEST_ID`	NUMERIC	IN	If the history is updated from another process, this is the number of the request to update
`REQUEST_DATA_NAME`	TEXT	IN	If the history is updated from another process, this is the name of the data to be updated

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