# How to add custom input type in subflow enviornment variables?

**URL:** <https://discourse.nodered.org/t/how-to-add-custom-input-type-in-subflow-enviornment-variables/55680>\
**Category:** General\
**Created:** [25 December 2021 11:33 UTC](https://discourse.nodered.org/t/how-to-add-custom-input-type-in-subflow-enviornment-variables/55680 "2021-12-25T11:33:27Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![akashtalole](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/akashtalole/32/30002_2.png) [@akashtalole](https://discourse.nodered.org/u/akashtalole)\
**Post date:** [25 December 2021 11:33 UTC](https://discourse.nodered.org/t/how-to-add-custom-input-type-in-subflow-enviornment-variables/55680/1 "2021-12-25T11:33:27Z")

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I want to select list of elements from context store in dropdown list for subflow enviornment variables. How I can achive that? Is there any option to pass dropdown list at runtime?

 ![screenshot-127.0.0.1_1880-2021.12.25-16_57_35](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/9/7/97e77e8eccba55a5fa34bcd817d55e0bf7e967ad.png)

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [23 February 2022 11:33 UTC](https://discourse.nodered.org/t/how-to-add-custom-input-type-in-subflow-enviornment-variables/55680/2 "2022-02-23T11:33:32Z")

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