ComfyUI-Complex-Prompt

ComfyUI node for working with complex prompts with support for variables, randomness, and basic logic.

Nodes

Complex Prompt

Takes a multiline text prompt and expands dynamic prompt variants using dynamicprompts. It can also accept optional ComplexPromptVars input and replace $variable_name tokens after dynamic prompt expansion.

Example:

a {red|green|blue} car

Outputs one randomly selected variant, such as:

a green car

With variables:

$person in a {red|green|blue} car

If person exists in vars, $person is replaced with its value. Variable tokens are preserved while dynamicprompts is parsing the prompt. The seed input is randomized after generation and is passed to dynamicprompts.

Complex Prompt Set Variable

Creates or extends an ComplexPromptVars object.

• vars is optional. If it is not connected, the node creates a new object.
• variable_name is the key.
• value is multiline text expanded through dynamicprompts, then $variable_name tokens are replaced from the input vars before it is stored.
• seed is randomized after generation and is passed to dynamicprompts.

Configuration

The configuration file is stored at:

ComfyUI/user/default/ComfyUI-Complex-Prompt/config.json