# Standard trigger node source code?

**URL:** <https://discourse.nodered.org/t/standard-trigger-node-source-code/76534>\
**Category:** Developing Nodes\
**Created:** [14 March 2023 06:28 UTC](https://discourse.nodered.org/t/standard-trigger-node-source-code/76534 "2023-03-14T06:28:56Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![znetsixe](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/znetsixe/32/72588_2.png) [@znetsixe](https://discourse.nodered.org/u/znetsixe)\
**Post date:** [14 March 2023 06:28 UTC](https://discourse.nodered.org/t/standard-trigger-node-source-code/76534/1 "2023-03-14T06:28:56Z")

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Hi,

I wanted to find a good example of a dropdown box that on selection changes the input fields.  
The standard trigger node does such a thing in node red. I cant seem to find the source code of this node however? Ive been looking in [Node-RED · GitHub](https://github.com/node-red) but cant seem to find its location.

Cheers !

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**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [14 March 2023 07:10 UTC](https://discourse.nodered.org/t/standard-trigger-node-source-code/76534/2 "2023-03-14T07:10:49Z")

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> **[node-red/packages/node\_modules/@node-red/nodes/core/function at master ·...](https://github.com/node-red/node-red/tree/master/packages/node_modules/%40node-red/nodes/core/function)**
>
> master/packages/node\_modules/%40node-red/nodes/core/function

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<div class="post-metadata">

**Author:** ![ralphwetzel](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/ralphwetzel/32/53713_2.png) [@ralphwetzel](https://discourse.nodered.org/u/ralphwetzel)\
**Post date:** [14 March 2023 08:16 UTC](https://discourse.nodered.org/t/standard-trigger-node-source-code/76534/3 "2023-03-14T08:16:03Z")

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> [@znetsixe](#):
>
> a good example of a dropdown box that on selection changes the input fields

I anticipate you're talking about the TypedInput Widget: [There's documentation available](https://nodered.org/docs/api/ui/typedInput/) with some good examples at the bottom of the page.

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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:** [28 March 2023 08:16 UTC](https://discourse.nodered.org/t/standard-trigger-node-source-code/76534/4 "2023-03-28T08:16:39Z")

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