> ## Documentation Index
> Fetch the complete documentation index at: https://enterprise-docs.dify.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Data Push Data Dictionary

This document provides a quick reference for all telemetry signals emitted by Dify Enterprise via the Data Push feature.

## Resource Attributes

Attached to every signal (Span, Metric, Log).

| Attribute      | Type   | Example         |
| :------------- | :----- | :-------------- |
| `service.name` | string | `dify`          |
| `host.name`    | string | `dify-api-7f8b` |

***

## Traces (Spans)

### dify.workflow\.run

| Attribute                       | Type   | Description                              |
| :------------------------------ | :----- | :--------------------------------------- |
| `dify.trace_id`                 | string | Business trace ID (Workflow Run ID)      |
| `dify.tenant_id`                | string | Tenant identifier                        |
| `dify.app_id`                   | string | Application identifier                   |
| `dify.workflow.id`              | string | Workflow definition ID                   |
| `dify.workflow.run_id`          | string | Unique ID for this run                   |
| `dify.workflow.status`          | string | `succeeded`, `failed`, `stopped`, etc.   |
| `dify.workflow.error`           | string | Error message if failed                  |
| `dify.workflow.elapsed_time`    | float  | Total execution time (seconds)           |
| `dify.invoke_from`              | string | `api`, `webapp`, `debug`                 |
| `dify.conversation.id`          | string | Conversation ID (optional)               |
| `dify.message.id`               | string | Message ID (optional)                    |
| `dify.invoked_by`               | string | User ID who triggered the run            |
| `gen_ai.usage.total_tokens`     | int    | Total tokens across all nodes (optional) |
| `gen_ai.user.id`                | string | End-user identifier (optional)           |
| `dify.parent.trace_id`          | string | Parent workflow trace ID (optional)      |
| `dify.parent.workflow.run_id`   | string | Parent workflow run ID (optional)        |
| `dify.parent.node.execution_id` | string | Parent node execution ID (optional)      |
| `dify.parent.app.id`            | string | Parent app ID (optional)                 |

### dify.node.execution

| Attribute                       | Type   | Description                        |
| :------------------------------ | :----- | :--------------------------------- |
| `dify.trace_id`                 | string | Business trace ID                  |
| `dify.tenant_id`                | string | Tenant identifier                  |
| `dify.app_id`                   | string | Application identifier             |
| `dify.workflow.id`              | string | Workflow definition ID             |
| `dify.workflow.run_id`          | string | Workflow Run ID                    |
| `dify.message.id`               | string | Message ID (optional)              |
| `dify.conversation.id`          | string | Conversation ID (optional)         |
| `dify.node.execution_id`        | string | Unique node execution ID           |
| `dify.node.id`                  | string | Node ID in workflow graph          |
| `dify.node.type`                | string | Node type (see appendix)           |
| `dify.node.title`               | string | Display title                      |
| `dify.node.status`              | string | `succeeded`, `failed`              |
| `dify.node.error`               | string | Error message if failed            |
| `dify.node.elapsed_time`        | float  | Execution time (seconds)           |
| `dify.node.index`               | int    | Execution order index              |
| `dify.node.predecessor_node_id` | string | Triggering node ID                 |
| `dify.node.iteration_id`        | string | Iteration ID (optional)            |
| `dify.node.loop_id`             | string | Loop ID (optional)                 |
| `dify.node.parallel_id`         | string | Parallel branch ID (optional)      |
| `dify.node.invoked_by`          | string | User ID who triggered execution    |
| `gen_ai.usage.input_tokens`     | int    | Prompt tokens (LLM nodes only)     |
| `gen_ai.usage.output_tokens`    | int    | Completion tokens (LLM nodes only) |
| `gen_ai.usage.total_tokens`     | int    | Total tokens (LLM nodes only)      |
| `gen_ai.request.model`          | string | LLM model name (LLM nodes only)    |
| `gen_ai.provider.name`          | string | LLM provider name (LLM nodes only) |
| `gen_ai.user.id`                | string | End-user identifier (optional)     |

### dify.node.execution.draft

Same attributes as `dify.node.execution`. Emitted during Preview/Debug runs.

***

## Counters

All counters are cumulative and emitted at 100% accuracy.

### Token Counters

| Metric               | Unit      | Description                |
| :------------------- | :-------- | :------------------------- |
| `dify.tokens.total`  | `{token}` | Total tokens consumed      |
| `dify.tokens.input`  | `{token}` | Input (prompt) tokens      |
| `dify.tokens.output` | `{token}` | Output (completion) tokens |

**Labels:** `tenant_id`, `app_id`, `operation_type`, `model_provider`, `model_name`, `node_type` (if `node_execution`)

> **Warning**: `dify.tokens.total` at workflow level includes all `node_execution` tokens. Filter by `operation_type` to avoid double-counting.

#### Token Hierarchy & Query Patterns

Token metrics are emitted at multiple layers. Understanding the hierarchy prevents double-counting:

```text theme={null}
App-level total
├── workflow          ← sum of all node_execution tokens (DO NOT add both)
│   └── node_execution ← per-node breakdown
├── message           ← independent (non-workflow chat apps only)
├── rule_generate     ← independent helper LLM call
├── code_generate     ← independent helper LLM call
├── structured_output ← independent helper LLM call
└── instruction_modify← independent helper LLM call
```

**Key rule**: `workflow` tokens already include all `node_execution` tokens. Never sum both.

* **Available labels on token metrics**: `tenant_id`, `app_id`, `operation_type`, `model_provider`, `model_name`, `node_type`.
* **App name** is only available on span attributes (`dify.app.name`), not metric labels — use `app_id` for metric queries.

**Common queries (PromQL):**

```promql theme={null}
# ── Totals ──────────────────────────────────────────────────
# App-level total (exclude node_execution to avoid double-counting)
sum by (app_id) (dify_tokens_total{operation_type!="node_execution"})

# Single app total
sum (dify_tokens_total{app_id="<app_id>", operation_type!="node_execution"})

# Per-tenant totals
sum by (tenant_id) (dify_tokens_total{operation_type!="node_execution"})

# ── Drill-down ──────────────────────────────────────────────
# Workflow-level tokens for an app
sum (dify_tokens_total{app_id="<app_id>", operation_type="workflow"})

# Node-level breakdown within an app
sum by (node_type) (dify_tokens_total{app_id="<app_id>", operation_type="node_execution"})

# Model breakdown for an app
sum by (model_provider, model_name) (dify_tokens_total{app_id="<app_id>"})

# Input vs output per model
sum by (model_name) (dify_tokens_input_total{app_id="<app_id>"})
sum by (model_name) (dify_tokens_output_total{app_id="<app_id>"})

# ── Rates ───────────────────────────────────────────────────
# Token consumption rate (per hour)
sum(rate(dify_tokens_total{operation_type!="node_execution"}[1h]))

# Per-app consumption rate
sum by (app_id) (rate(dify_tokens_total{operation_type!="node_execution"}[1h]))
```

Finding `app_id` from app name (trace query — Tempo / Jaeger):

```text theme={null}
{ resource.dify.app.name = "My Chatbot" } | select(resource.dify.app.id)
```

### Request Counters

| Metric                | Unit        | Description            |
| :-------------------- | :---------- | :--------------------- |
| `dify.requests.total` | `{request}` | Total operations count |

**Labels by type:**

| Type                 | Additional Labels                                                                 |
| :------------------- | :-------------------------------------------------------------------------------- |
| `workflow`           | `tenant_id`, `app_id`, `status`, `invoke_from`                                    |
| `node`               | `tenant_id`, `app_id`, `node_type`, `model_provider`, `model_name`, `status`      |
| `draft_node`         | `tenant_id`, `app_id`, `node_type`, `model_provider`, `model_name`, `status`      |
| `message`            | `tenant_id`, `app_id`, `model_provider`, `model_name`, `status`, `invoke_from`    |
| `tool`               | `tenant_id`, `app_id`, `tool_name`                                                |
| `moderation`         | `tenant_id`, `app_id`                                                             |
| `suggested_question` | `tenant_id`, `app_id`, `model_provider`, `model_name`                             |
| `dataset_retrieval`  | `tenant_id`, `app_id`                                                             |
| `generate_name`      | `tenant_id`, `app_id`                                                             |
| `prompt_generation`  | `tenant_id`, `app_id`, `operation_type`, `model_provider`, `model_name`, `status` |

### Error Counters

| Metric              | Unit      | Description             |
| :------------------ | :-------- | :---------------------- |
| `dify.errors.total` | `{error}` | Total failed operations |

**Labels by type:**

| Type                | Additional Labels                                                       |
| :------------------ | :---------------------------------------------------------------------- |
| `workflow`          | `tenant_id`, `app_id`                                                   |
| `node`              | `tenant_id`, `app_id`, `node_type`, `model_provider`, `model_name`      |
| `draft_node`        | `tenant_id`, `app_id`, `node_type`, `model_provider`, `model_name`      |
| `message`           | `tenant_id`, `app_id`, `model_provider`, `model_name`                   |
| `tool`              | `tenant_id`, `app_id`, `tool_name`                                      |
| `prompt_generation` | `tenant_id`, `app_id`, `operation_type`, `model_provider`, `model_name` |

### Other Counters

| Metric                          | Unit          | Labels                                                                                                                      |
| :------------------------------ | :------------ | :-------------------------------------------------------------------------------------------------------------------------- |
| `dify.feedback.total`           | `{feedback}`  | `tenant_id`, `app_id`, `rating`                                                                                             |
| `dify.dataset.retrievals.total` | `{retrieval}` | `tenant_id`, `app_id`, `dataset_id`, `embedding_model_provider`, `embedding_model`, `rerank_model_provider`, `rerank_model` |
| `dify.app.created.total`        | `{app}`       | `tenant_id`, `app_id`, `mode`                                                                                               |
| `dify.app.updated.total`        | `{app}`       | `tenant_id`, `app_id`                                                                                                       |
| `dify.app.deleted.total`        | `{app}`       | `tenant_id`, `app_id`                                                                                                       |

***

## Histograms

| Metric                             | Unit | Labels                                                                            |
| :--------------------------------- | :--- | :-------------------------------------------------------------------------------- |
| `dify.workflow.duration`           | `s`  | `tenant_id`, `app_id`, `status`                                                   |
| `dify.node.duration`               | `s`  | `tenant_id`, `app_id`, `node_type`, `model_provider`, `model_name`, `plugin_name` |
| `dify.message.duration`            | `s`  | `tenant_id`, `app_id`, `model_provider`, `model_name`                             |
| `dify.message.time_to_first_token` | `s`  | `tenant_id`, `app_id`, `model_provider`, `model_name`                             |
| `dify.tool.duration`               | `s`  | `tenant_id`, `app_id`, `tool_name`                                                |
| `dify.prompt_generation.duration`  | `s`  | `tenant_id`, `app_id`, `operation_type`, `model_provider`, `model_name`           |

***

## Structured Logs

### Span Companion Logs

Logs that accompany spans. Signal type: `span_detail`.

#### dify.workflow\.run Companion Log

**Common attributes**: All span attributes (see Traces section) plus:

**Event attributes**:

* `dify.event.name`: `dify.workflow.run`
* `dify.event.signal`: `span_detail`
* `trace_id`, `span_id`, `tenant_id`, `user_id`

| Additional Attribute    | Type        | Always Present | Description                      |
| :---------------------- | :---------- | :------------- | :------------------------------- |
| `dify.app.name`         | string      | No             | Application display name         |
| `dify.workspace.name`   | string      | No             | Workspace display name           |
| `dify.workflow.version` | string      | Yes            | Workflow definition version      |
| `dify.workflow.inputs`  | string/JSON | Yes            | Input parameters (content-gated) |
| `dify.workflow.outputs` | string/JSON | Yes            | Output results (content-gated)   |
| `dify.workflow.query`   | string      | No             | User query text (content-gated)  |

#### dify.node.execution and dify.node.execution.draft Companion Logs

**Common attributes**: All span attributes (see Traces section) plus:

**Event attributes**:

* `dify.event.name`: `dify.node.execution` or `dify.node.execution.draft`
* `dify.event.signal`: `span_detail`
* `trace_id`, `span_id`, `tenant_id`, `user_id`

| Additional Attribute        | Type        | Always Present | Description                        |
| :-------------------------- | :---------- | :------------- | :--------------------------------- |
| `dify.app.name`             | string      | No             | Application display name           |
| `dify.workspace.name`       | string      | No             | Workspace display name             |
| `dify.invoke_from`          | string      | No             | Invocation source                  |
| `gen_ai.tool.name`          | string      | No             | Tool name (tool nodes only)        |
| `dify.node.total_price`     | float       | No             | Cost (LLM nodes only)              |
| `dify.node.currency`        | string      | No             | Currency code (LLM nodes only)     |
| `dify.node.iteration_index` | int         | No             | Iteration index (iteration nodes)  |
| `dify.node.loop_index`      | int         | No             | Loop index (loop nodes)            |
| `dify.plugin.name`          | string      | No             | Plugin name (tool/knowledge nodes) |
| `dify.credential.name`      | string      | No             | Credential name (plugin nodes)     |
| `dify.credential.id`        | string      | No             | Credential ID (plugin nodes)       |
| `dify.dataset.ids`          | JSON array  | No             | Dataset IDs (knowledge nodes)      |
| `dify.dataset.names`        | JSON array  | No             | Dataset names (knowledge nodes)    |
| `dify.node.inputs`          | string/JSON | Yes            | Node inputs (content-gated)        |
| `dify.node.outputs`         | string/JSON | Yes            | Node outputs (content-gated)       |
| `dify.node.process_data`    | string/JSON | No             | Processing data (content-gated)    |

### Standalone Logs

Logs without structural spans. Signal type: `metric_only`.

#### dify.message.run

| Attribute                          | Type        | Description                                     |
| :--------------------------------- | :---------- | :---------------------------------------------- |
| `dify.event.name`                  | string      | `dify.message.run`                              |
| `dify.event.signal`                | string      | `metric_only`                                   |
| `trace_id`                         | string      | OTEL trace ID (32-char hex)                     |
| `span_id`                          | string      | OTEL span ID (16-char hex)                      |
| `tenant_id`                        | string      | Tenant identifier                               |
| `user_id`                          | string      | User identifier (optional)                      |
| `dify.app_id`                      | string      | Application identifier                          |
| `dify.message.id`                  | string      | Message identifier                              |
| `dify.conversation.id`             | string      | Conversation ID (optional)                      |
| `dify.workflow.run_id`             | string      | Workflow run ID (optional)                      |
| `dify.invoke_from`                 | string      | `service-api`, `web-app`, `debugger`, `explore` |
| `gen_ai.provider.name`             | string      | LLM provider                                    |
| `gen_ai.request.model`             | string      | LLM model                                       |
| `gen_ai.usage.input_tokens`        | int         | Input tokens                                    |
| `gen_ai.usage.output_tokens`       | int         | Output tokens                                   |
| `gen_ai.usage.total_tokens`        | int         | Total tokens                                    |
| `dify.message.status`              | string      | `succeeded`, `failed`                           |
| `dify.message.error`               | string      | Error message (if failed)                       |
| `dify.message.duration`            | float       | Duration (seconds)                              |
| `dify.message.time_to_first_token` | float       | TTFT (seconds)                                  |
| `dify.message.inputs`              | string/JSON | Inputs (content-gated)                          |
| `dify.message.outputs`             | string/JSON | Outputs (content-gated)                         |

#### dify.tool.execution

| Attribute              | Type        | Description                   |
| :--------------------- | :---------- | :---------------------------- |
| `dify.event.name`      | string      | `dify.tool.execution`         |
| `dify.event.signal`    | string      | `metric_only`                 |
| `trace_id`             | string      | OTEL trace ID                 |
| `span_id`              | string      | OTEL span ID                  |
| `tenant_id`            | string      | Tenant identifier             |
| `dify.app_id`          | string      | Application identifier        |
| `dify.message.id`      | string      | Message identifier            |
| `dify.tool.name`       | string      | Tool name                     |
| `dify.tool.duration`   | float       | Duration (seconds)            |
| `dify.tool.status`     | string      | `succeeded`, `failed`         |
| `dify.tool.error`      | string      | Error message (if failed)     |
| `dify.tool.inputs`     | string/JSON | Inputs (content-gated)        |
| `dify.tool.outputs`    | string/JSON | Outputs (content-gated)       |
| `dify.tool.parameters` | string/JSON | Parameters (content-gated)    |
| `dify.tool.config`     | string/JSON | Configuration (content-gated) |

#### dify.moderation.check

| Attribute                    | Type       | Description             |
| :--------------------------- | :--------- | :---------------------- |
| `dify.event.name`            | string     | `dify.moderation.check` |
| `dify.event.signal`          | string     | `metric_only`           |
| `trace_id`                   | string     | OTEL trace ID           |
| `span_id`                    | string     | OTEL span ID            |
| `tenant_id`                  | string     | Tenant identifier       |
| `dify.app_id`                | string     | Application identifier  |
| `dify.message.id`            | string     | Message identifier      |
| `dify.moderation.type`       | string     | `input`, `output`       |
| `dify.moderation.action`     | string     | `pass`, `block`, `flag` |
| `dify.moderation.flagged`    | boolean    | Whether flagged         |
| `dify.moderation.categories` | JSON array | Flagged categories      |
| `dify.moderation.query`      | string     | Content (content-gated) |

#### dify.suggested\_question.generation

| Attribute                           | Type       | Description                          |
| :---------------------------------- | :--------- | :----------------------------------- |
| `dify.event.name`                   | string     | `dify.suggested_question.generation` |
| `dify.event.signal`                 | string     | `metric_only`                        |
| `trace_id`                          | string     | OTEL trace ID                        |
| `span_id`                           | string     | OTEL span ID                         |
| `tenant_id`                         | string     | Tenant identifier                    |
| `dify.app_id`                       | string     | Application identifier               |
| `dify.message.id`                   | string     | Message identifier                   |
| `dify.suggested_question.count`     | int        | Number of questions                  |
| `dify.suggested_question.duration`  | float      | Duration (seconds)                   |
| `dify.suggested_question.status`    | string     | `succeeded`, `failed`                |
| `dify.suggested_question.error`     | string     | Error message (if failed)            |
| `dify.suggested_question.questions` | JSON array | Questions (content-gated)            |

#### dify.dataset.retrieval

| Attribute                          | Type       | Description                                 |
| :--------------------------------- | :--------- | :------------------------------------------ |
| `dify.event.name`                  | string     | `dify.dataset.retrieval`                    |
| `dify.event.signal`                | string     | `metric_only`                               |
| `trace_id`                         | string     | OTEL trace ID                               |
| `span_id`                          | string     | OTEL span ID                                |
| `tenant_id`                        | string     | Tenant identifier                           |
| `dify.app_id`                      | string     | Application identifier                      |
| `dify.message.id`                  | string     | Message identifier                          |
| `dify.dataset.id`                  | string     | Dataset identifier                          |
| `dify.dataset.name`                | string     | Dataset name                                |
| `dify.dataset.embedding_providers` | JSON array | Embedding model providers (one per dataset) |
| `dify.dataset.embedding_models`    | JSON array | Embedding models (one per dataset)          |
| `dify.retrieval.rerank_provider`   | string     | Rerank model provider                       |
| `dify.retrieval.rerank_model`      | string     | Rerank model name                           |
| `dify.retrieval.query`             | string     | Search query (content-gated)                |
| `dify.retrieval.document_count`    | int        | Documents retrieved                         |
| `dify.retrieval.duration`          | float      | Duration (seconds)                          |
| `dify.retrieval.status`            | string     | `succeeded`, `failed`                       |
| `dify.retrieval.error`             | string     | Error message (if failed)                   |
| `dify.dataset.documents`           | JSON array | Documents (content-gated)                   |

#### dify.generate\_name.execution

| Attribute                     | Type        | Description                    |
| :---------------------------- | :---------- | :----------------------------- |
| `dify.event.name`             | string      | `dify.generate_name.execution` |
| `dify.event.signal`           | string      | `metric_only`                  |
| `trace_id`                    | string      | OTEL trace ID                  |
| `span_id`                     | string      | OTEL span ID                   |
| `tenant_id`                   | string      | Tenant identifier              |
| `dify.app_id`                 | string      | Application identifier         |
| `dify.conversation.id`        | string      | Conversation identifier        |
| `dify.generate_name.duration` | float       | Duration (seconds)             |
| `dify.generate_name.status`   | string      | `succeeded`, `failed`          |
| `dify.generate_name.error`    | string      | Error message (if failed)      |
| `dify.generate_name.inputs`   | string/JSON | Inputs (content-gated)         |
| `dify.generate_name.outputs`  | string      | Generated name (content-gated) |

#### dify.prompt\_generation.execution

| Attribute                               | Type        | Description                        |
| :-------------------------------------- | :---------- | :--------------------------------- |
| `dify.event.name`                       | string      | `dify.prompt_generation.execution` |
| `dify.event.signal`                     | string      | `metric_only`                      |
| `trace_id`                              | string      | OTEL trace ID                      |
| `span_id`                               | string      | OTEL span ID                       |
| `tenant_id`                             | string      | Tenant identifier                  |
| `dify.app_id`                           | string      | Application identifier             |
| `dify.prompt_generation.operation_type` | string      | Operation type (see appendix)      |
| `gen_ai.provider.name`                  | string      | LLM provider                       |
| `gen_ai.request.model`                  | string      | LLM model                          |
| `gen_ai.usage.input_tokens`             | int         | Input tokens                       |
| `gen_ai.usage.output_tokens`            | int         | Output tokens                      |
| `gen_ai.usage.total_tokens`             | int         | Total tokens                       |
| `dify.prompt_generation.duration`       | float       | Duration (seconds)                 |
| `dify.prompt_generation.status`         | string      | `succeeded`, `failed`              |
| `dify.prompt_generation.error`          | string      | Error message (if failed)          |
| `dify.prompt_generation.instruction`    | string      | Instruction (content-gated)        |
| `dify.prompt_generation.output`         | string/JSON | Output (content-gated)             |

#### dify.app.created

| Attribute             | Type   | Description                                    |
| :-------------------- | :----- | :--------------------------------------------- |
| `dify.event.name`     | string | `dify.app.created`                             |
| `dify.event.signal`   | string | `metric_only`                                  |
| `tenant_id`           | string | Tenant identifier                              |
| `dify.app_id`         | string | Application identifier                         |
| `dify.app.mode`       | string | `chat`, `completion`, `agent-chat`, `workflow` |
| `dify.app.created_at` | string | Timestamp (ISO 8601)                           |

#### dify.app.updated

| Attribute             | Type   | Description            |
| :-------------------- | :----- | :--------------------- |
| `dify.event.name`     | string | `dify.app.updated`     |
| `dify.event.signal`   | string | `metric_only`          |
| `tenant_id`           | string | Tenant identifier      |
| `dify.app_id`         | string | Application identifier |
| `dify.app.updated_at` | string | Timestamp (ISO 8601)   |

#### dify.app.deleted

| Attribute             | Type   | Description            |
| :-------------------- | :----- | :--------------------- |
| `dify.event.name`     | string | `dify.app.deleted`     |
| `dify.event.signal`   | string | `metric_only`          |
| `tenant_id`           | string | Tenant identifier      |
| `dify.app_id`         | string | Application identifier |
| `dify.app.deleted_at` | string | Timestamp (ISO 8601)   |

#### dify.feedback.created

| Attribute                  | Type   | Description                   |
| :------------------------- | :----- | :---------------------------- |
| `dify.event.name`          | string | `dify.feedback.created`       |
| `dify.event.signal`        | string | `metric_only`                 |
| `trace_id`                 | string | OTEL trace ID                 |
| `span_id`                  | string | OTEL span ID                  |
| `tenant_id`                | string | Tenant identifier             |
| `dify.app_id`              | string | Application identifier        |
| `dify.message.id`          | string | Message identifier            |
| `dify.feedback.rating`     | string | `like`, `dislike`, `null`     |
| `dify.feedback.content`    | string | Feedback text (content-gated) |
| `dify.feedback.created_at` | string | Timestamp (ISO 8601)          |

#### dify.telemetry.rehydration\_failed

Diagnostic event for telemetry system health monitoring.

| Attribute                       | Type   | Description                         |
| :------------------------------ | :----- | :---------------------------------- |
| `dify.event.name`               | string | `dify.telemetry.rehydration_failed` |
| `dify.event.signal`             | string | `metric_only`                       |
| `tenant_id`                     | string | Tenant identifier                   |
| `dify.telemetry.error`          | string | Error message                       |
| `dify.telemetry.payload_type`   | string | Payload type (see appendix)         |
| `dify.telemetry.correlation_id` | string | Correlation ID                      |

***

## Content-Gated Attributes

When `ENTERPRISE_INCLUDE_CONTENT=false`, these attributes are replaced with reference strings (`ref:{id_type}={uuid}`).

| Attribute                            | Signal                               |
| :----------------------------------- | :----------------------------------- |
| `dify.workflow.inputs`               | `dify.workflow.run`                  |
| `dify.workflow.outputs`              | `dify.workflow.run`                  |
| `dify.workflow.query`                | `dify.workflow.run`                  |
| `dify.node.inputs`                   | `dify.node.execution`                |
| `dify.node.outputs`                  | `dify.node.execution`                |
| `dify.node.process_data`             | `dify.node.execution`                |
| `dify.message.inputs`                | `dify.message.run`                   |
| `dify.message.outputs`               | `dify.message.run`                   |
| `dify.tool.inputs`                   | `dify.tool.execution`                |
| `dify.tool.outputs`                  | `dify.tool.execution`                |
| `dify.tool.parameters`               | `dify.tool.execution`                |
| `dify.tool.config`                   | `dify.tool.execution`                |
| `dify.moderation.query`              | `dify.moderation.check`              |
| `dify.suggested_question.questions`  | `dify.suggested_question.generation` |
| `dify.retrieval.query`               | `dify.dataset.retrieval`             |
| `dify.dataset.documents`             | `dify.dataset.retrieval`             |
| `dify.generate_name.inputs`          | `dify.generate_name.execution`       |
| `dify.generate_name.outputs`         | `dify.generate_name.execution`       |
| `dify.prompt_generation.instruction` | `dify.prompt_generation.execution`   |
| `dify.prompt_generation.output`      | `dify.prompt_generation.execution`   |
| `dify.feedback.content`              | `dify.feedback.created`              |

***

## Appendix

### Operation Types

`workflow`, `node_execution`, `message`, `rule_generate`, `code_generate`, `structured_output`, `instruction_modify`

### Node Types

`start`, `end`, `answer`, `llm`, `knowledge-retrieval`, `knowledge-index`, `if-else`, `code`, `template-transform`, `question-classifier`, `http-request`, `tool`, `datasource`, `variable-aggregator`, `loop`, `iteration`, `parameter-extractor`, `assigner`, `document-extractor`, `list-operator`, `agent`, `trigger-webhook`, `trigger-schedule`, `trigger-plugin`, `human-input`

### Workflow Statuses

`running`, `succeeded`, `failed`, `stopped`, `partial-succeeded`, `paused`

### Payload Types

`workflow`, `node`, `message`, `tool`, `moderation`, `suggested_question`, `dataset_retrieval`, `generate_name`, `prompt_generation`, `app`, `feedback`

### Null Value Behavior

* **Spans**: Attributes with null values are omitted.
* **Logs**: Attributes with null values appear as `null` in JSON.
* **Content-Gated**: Replaced with reference strings, not set to null.