# Cvb.py set node

**URL:** <https://forum.commonvisionblox.com/t/cvb-py-set-node/294>\
**Category:** Python API\
**Tags:** genapi\
**Created:** [December 14, 2017, 4:33pm UTC](https://forum.commonvisionblox.com/t/cvb-py-set-node/294 "2017-12-14T16:33:47Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![parsd](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.commonvisionblox.com/parsd/32/7_2.png) [@parsd](https://forum.commonvisionblox.com/u/parsd)\
**Post date:** [December 14, 2017, 7:12pm UTC](https://forum.commonvisionblox.com/t/cvb-py-set-node/294/2 "2017-12-14T19:12:44Z")

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This should do the trick:

```auto
device_node_map = device.node_maps['Device']
exposure_time = device_node_map['ExposureTime']
exposure_time.value = 20000.0

```

Or even shorter for feature nodes:

```auto
device_nodes = device.node_maps['Device']
device_nodes.ExposureTime.value = 20000.0

```

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