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OpenAI Citation & File Retrieval Workflow

OpenAI Citation & File Retrieval Workflow is a 12-node automation blueprint connecting OpenAI API. Inspect its trigger, execution graph, branches, and implementation requirements.

OpenAI API

Interactive system map

Follow the runtime. Inspect what supports it.

Solid horizontal paths show main-channel execution. Violet dependencies sit beneath the exact step they configure or empower.

12

Nodes

11

Links

1

Run groups

Connected tools

1 integrations

  • OpenAI

Canvas controls

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OpenAI Citation & File Retrieval Workflow execution lanes1 run groups containing 12 workflow nodes and 11 visible links. Solid horizontal lines are main-channel runtime links. Violet dashed lines connect typed dependencies beneath the runtime step they support. Focus any node to inspect its immediate path.Create a simple Trigger to have the Chat button within N8N. trigger node, chatTrigger. 0 incoming and 1 outgoing connections.STARTCreate a simple Trigger t…TRIGGERCHATTRIGGER0 IN / 1 OUTOpenAI Assistant with Vector Store. OpenAI node, openAi. 2 incoming and 1 outgoing connections.STEP 02OpenAI Assistant with Vec…OPENAIOPENAI2 IN / 1 OUTGet ALL Thread Content. integration node, httpRequest. 1 incoming and 1 outgoing connections.STEP 03Get ALL Thread ContentINTEGRATIONHTTPREQUEST1 IN / 1 OUTSplit all message iterations from a thread. transform node, splitOut. 1 incoming and 1 outgoing connections.STEP 04Split all message iterati…TRANSFORMSPLITOUT1 IN / 1 OUTSplit all content from a single message. transform node, splitOut. 1 incoming and 1 outgoing connections.STEP 05Split all content from a …TRANSFORMSPLITOUT1 IN / 1 OUTSplit all citations from a single message. transform node, splitOut. 1 incoming and 1 outgoing connections.STEP 06Split all citations from …TRANSFORMSPLITOUT1 IN / 1 OUTRetrieve file name from a file ID. integration node, httpRequest. 1 incoming and 1 outgoing connections.STEP 07Retrieve file name from a…INTEGRATIONHTTPREQUEST1 IN / 1 OUTRegularize output. transform node, set. 1 incoming and 1 outgoing connections.STEP 08Regularize outputTRANSFORMSET1 IN / 1 OUTAggregate. transform node, aggregate. 1 incoming and 1 outgoing connections.STEP 09AggregateTRANSFORMAGGREGATE1 IN / 1 OUTFinnaly format the output. transform node, code. 1 incoming and 1 outgoing connections.STEP 10Finnaly format the outputTRANSFORMCODE1 IN / 1 OUTOptional Markdown to HTML. integration node, markdown. 1 incoming and 0 outgoing connections.OUTCOMEOptional Markdown to HTMLINTEGRATIONMARKDOWN1 IN / 0 OUTWindow Buffer Memory. ai node, memoryBufferWindow. 0 incoming and 1 outgoing connections.DEPENDENCY · DEPTH 1Window Buffer MemoryAIMEMORYBUFFERWINDOW0 IN / 1 OUT

Signal inspector

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Main-channel runtimeTyped dependencytriggeraidecisiontransformintegration
Scroll horizontally to follow every connected flow.12 connected nodesEnter or click to lock · Escape to clear

Runtime breakdown

Read the execution spine before its dependencies.

Each run group separates main-channel steps from the models, tools, retrievers, and data services that support them. Start and outcome labels apply only to runtime nodes.

01

Run Group

Create a simple Trigger to hav…

10 Execution Links1 Support Dependency

  1. Start

    Create a simple Trigger to have the Chat button within N8N

    Trigger

  2. Step 2

    OpenAI Assistant with Vector Store

    AI reasoning

  3. Step 3

    Get ALL Thread Content

    Integration

  4. Step 4

    Split all message iterations from a thread

    Transform

  5. Step 5

    Split all content from a single message

    Transform

  6. Step 6

    Split all citations from a single message

    Transform

  7. Step 7

    Retrieve file name from a file ID

    Integration

  8. Step 8

    Regularize output

    Transform

  9. Step 9

    Aggregate

    Transform

  10. Step 10

    Finnaly format the output

    Transform

  11. Outcome

    Optional Markdown to HTML

    Integration

Attached dependencies

These nodes support the runtime above; they are not additional starts or outcomes.

1 node

  • Window Buffer Memory

    AI reasoning dependency

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