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37 lines
1.3 KiB
Markdown
37 lines
1.3 KiB
Markdown
# API method execHaloCmdRN
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## Importing the method
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```javascript
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import {execHaloCmdRN} from '@arx-research/libhalo/api/react-native.js';
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```
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## Call specification
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```javascript
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async function execHaloCmdRN(nfcManager, command, options)
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```
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### Input parameter: `nfcManager`
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The `NfcManager` singleton instance as imported from `react-native-nfc-manager` library.
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### Input parameter: `command`
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An object specifying the command name that you want to invoke, together with the additional command's arguments.
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Please check [documentation of the available commands (HaLo Command Set)](/docs/halo-command-set.md) for more details.
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### Input parameter: `options`
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Optional. An empty object.
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### Return value
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The function will return a Promise that will resolve to an object.
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Object keys and values will depend on the command that was requested.
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Please check [documentation of the available commands (HaLo Command Set)](/docs/halo-command-set.md) for more details.
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### Exceptions
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* **HaloTagError**: The command was executed but the tag had responded with an error. Check `ex.name` and `ex.message` for more details.
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* **HaloLogicError**: There was some logic error on the client side when trying to execute the command. Check `ex.message` for more details.
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* **NFCOperationError**: There was a low-level failure during NFC interaction. Check `ex.message` for more details.
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