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Hidden Fields Use Case: Job Submissions
Here, we'll go through a use case when incorporating hidden fields into your form can be useful.
Let's say you have a job board (built using a List block in our case), which is in turn connected to a details page for displaying the complete overview of the position. Apart from job details, the details page also contains a form through which visitors can apply for that job. Below you can see what these pages and their corresponding Airtable tables look like.
Job board and job details
This way, each form submission will be stored under the Job Submissions table. However, since we don't have a field where the user can select which position he/she is applying for, we can't associate the submissions with their related jobs. But instead of adding such a field, we can go one step further and link each form submission to its related job entry in the Jobs table. This is where hidden fields come in handy.
First of all, let's link the two tables through a linked record.
Linking "Jobs" and "Job Submissions" tables
Now, on our form, we'll add a URL parameter hidden field that gets the recordID of the page it has been submitted from and map that field to the Jobs linked record field we just created. As a result, Airtable will locate the corresponding job record from the Jobs table and link it to each new job submission. Below you can observe the setup and testing.
Adding a hidden field and doing a test submission
That's it. As you can see, the job submission is successfully linked to its related job record.
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