2021-11-07 15:13:37 +03:00
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# <small>nlohmann::json_sax::</small>key
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2021-11-05 00:02:48 +03:00
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```cpp
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virtual bool key(string_t& val) = 0;
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```
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An object key was read.
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## Parameters
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`val` (in)
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: object key
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## Return value
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Whether parsing should proceed.
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2021-11-05 16:26:19 +03:00
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## Notes
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2021-11-05 00:02:48 +03:00
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It is safe to move the passed object key value.
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## Version history
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- Added in version 3.2.0.
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