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Hi I am using a webhook on a PHP form to create a new card in Trello.
I am having an issue with Trello Custom Field drop downs. See below.
![](https://uploads-us-west-2.insided.com/zapier-ca/attachment/b82498ab-989a-424e-92e6-c346dd5d25b0.png)
I have tried setting the value of the Custom Field directly with the Trello Custom field ID (extracted from the Trello drop down box) See below
![](https://uploads-us-west-2.insided.com/zapier-ca/attachment/e6cb0ed7-909b-44d9-98ac-295890defded.png)
This does not output any thing in the Zap step. See below
![](https://uploads-us-west-2.insided.com/zapier-ca/attachment/752da4cb-c5eb-422f-8453-9b87ba3e4f0b.png)
I have then switched the form value to the Custom Field value and setup a Look Up table to determine the Custom Field ID based on the value. See below.
![](https://uploads-us-west-2.insided.com/zapier-ca/attachment/86c82a5c-8c23-4896-be0e-4c8dd11a4339.png)
This is also not working and does not output anything.
If I hard code the lookup key then it works but not with the form value.
Can anyone explain why I cant use the form input value for the Custom Field or for the Look Up table?
Thanks