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--- |
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contentType: reference |
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--- |
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# `execution` |
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## `execution.id` |
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Contains the unique ID of the current workflow execution. |
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=== "JavaScript" |
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```js |
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let executionId = $execution.id; |
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``` |
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=== "Python" |
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```python |
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executionId = _execution.id |
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``` |
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## `execution.resumeUrl` |
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The webhook URL to call to resume a [waiting](/integrations/builtin/core-nodes/n8n-nodes-base.wait.md) workflow. |
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See the [Wait > On webhook call](/integrations/builtin/core-nodes/n8n-nodes-base.wait.md#on-webhook-call) documentation to learn more. |
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## `execution.customData` |
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This is only available in the Code node. |
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=== "JavaScript" |
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```js |
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// Set a single piece of custom execution data |
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$execution.customData.set("key", "value"); |
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// Set the custom execution data object |
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$execution.customData.setAll({"key1": "value1", "key2": "value2"}) |
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// Access the current state of the object during the execution |
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var customData = $execution.customData.getAll() |
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// Access a specific value set during this execution |
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var customData = $execution.customData.get("key") |
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``` |
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=== "Python" |
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```python |
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# Set a single piece of custom execution data |
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_execution.customData.set("key", "value"); |
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# Set the custom execution data object |
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_execution.customData.setAll({"key1": "value1", "key2": "value2"}) |
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# Access the current state of the object during the execution |
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customData = _execution.customData.getAll() |
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# Access a specific value set during this execution |
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customData = _execution.customData.get("key") |
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``` |
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Refer to [Custom executions data](/workflows/executions/custom-executions-data.md) for more information. |
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