Add field to sys_items

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Wouter Pronk

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Nov 14, 2025, 5:03:41 AMNov 14
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Hi,

I have added a field to sys_items 'F_LOOKUP_DATABASE'. How can I make it to show up in Builder under the groups? Which files do I need to adjust for that.

Kr Wouter

Dean D. Babic

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Nov 14, 2025, 9:08:06 PMNov 14
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Just like in normal Jam.py app, you would need to customise this interface to include a new field in the builder.

Wouter Pronk

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Nov 28, 2025, 12:14:05 AM (3 days ago) Nov 28
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Hi Dean,

I'm very sorry, but I don't seem to get it right. I have added the field to the task, I have added it to the form, but nothing shows up. Was looking for an instruction video, but could not find anything related. Is there anyway you can show me how to do this?

Kr Wouter

Op zaterdag 15 november 2025 om 03:08:06 UTC+1 schreef Dean D. Babic:

Dean D. Babic

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Nov 30, 2025, 10:44:56 PM (10 hours ago) Nov 30
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Here it is. You'll need to find all occurrences of, for example, f_lookup_value and go from there. 
sys_items.sys_fields.js is on Task/Group/Catalogs/Items/Client Module.

After all done, add translations for ie. f_lookup_database in langs.sqlite

If more info is needed, let me know. In builder folder check read.me file

D.
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Dean D. Babic

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Nov 30, 2025, 10:51:39 PM (10 hours ago) Nov 30
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So final result looks like this on Demo app after changed Jam is installed:
add_new_builder_field_08_jampy.png
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