product:signals

Show all signals defined by features in the active product, with provider and listener attribution.

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Table of contents

1. Usage
2. Options
3. Example output
   1. Signals with listeners
   2. Signal with no listeners
   3. No signals registered
4. How it works
5. Requirements
6. See also

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Usage

splent product:signals

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Options

This command has no options. It boots the active product and reads the signal registry populated during feature loading.

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Example output

Signals with listeners

splent product:signals

  sample_splent_app  --  1 signal(s)

  SIGNAL             EMITTED BY            LISTENERS
  ──────────────────────────────────────────────────────────────
  user-registered    splent_feature_auth   splent_feature_profile

Signal with no listeners

If a feature defines a signal but no other feature connects to it, the output shows it with no listeners.

  sample_splent_app  --  2 signal(s)

  SIGNAL             EMITTED BY            LISTENERS
  ──────────────────────────────────────────────────────────────
  note-created       splent_feature_notes  (none)
  user-registered    splent_feature_auth   splent_feature_profile

No signals registered

If no feature in the product defines any signals, the output says so.

  sample_splent_app: no signals registered.

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How it works

The command boots the Flask application via get_app(), which triggers feature loading. During loading, each feature’s signals.py is auto-imported, populating the signal registry with define_signal() and connect_signal() calls. The command then reads the registry via get_registry() and formats the output as a table sorted by signal name.

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Requirements

• A product must be selected (splent product:select).

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See also

• Signals. How the signal system works
• product:routes. Inspect registered HTTP routes
• product:config. Inspect resolved configuration
• feature:contract. Validate signal contracts between features