When the inbound Incoming Webhook rule triggers an action the action gets the payload from the incoming request as the input variables. These can be used to create/update issues, to determine what variables is available you will need to inspect the incoming payload.
The incoming payload is seen both in the Inbound Incoming Webhook Log view and the Execution Log
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Let´s view the scenario where GitLab POST a comment from a GitLab issue to iHub incoming rule engine. Read more here Inbound Integrations Incoming Webhooks
The payload can then be viewed in the Inbound Incoming Webhook Log like below
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Here we see that Action Create GitLab Comment Issue has been triggered. Clicking the View button we can inspect the payload.
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Inbound Incoming Webhook View payload.
This is also shown directly on the Action it self in the Execution log by clicking the View button in the list.
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