# Workflow builder

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<Card title="Flow lifecycle" href="https://justdocs.qdev.tech/docs/justflows/workflow-builder/flow-lifecycle">
Create a blank flow or launch a starter template.
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<Card title="Triggers" href="https://justdocs.qdev.tech/docs/justflows/workflow-builder/triggers">
Only an active trigger attached to a published flow can start a production run.
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<Card title="Nodes" href="https://justdocs.qdev.tech/docs/justflows/workflow-builder/nodes">
Map outputs explicitly between nodes and test empty, missing, and unexpected values.
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<Card title="Approvals &amp; runs" href="https://justdocs.qdev.tech/docs/justflows/workflow-builder/approvals-runs">
An Approval node pauses a run until an authorized workspace member approves, requests changes, or rejects it.
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