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# How do I customise culling criteria?

${vimeo}[How do I customise culling criteria?](1225064466)

Every culling profile is a list of criteria — plain-language rules the AI scores each photo against. You can edit them, add your own, and tell FilterPixel exactly what a keeper looks like for this particular shoot.

## What a criterion is
A criterion is just two things: a **name** and a **one-line description**. The description is what the AI reads, so write it the way you would explain it to an assistant.
For example, the Vacation & Travel profile includes a criterion called **Storytelling**, described as “Narrative arc of the trip or day”.

## Step 1 — Open a profile's criteria
1.       Start a Deep Cull and click **Choose** to open the profile library.
2.       Find the profile you want to tweak.
3.       Click the **pencil icon** on its card. The **Customise Profile** window opens, listing every criterion in that profile.

## Step 2 — Add your own criterion
Scroll to the empty row at the bottom of the list, then:
1.       Type a short **name** — for example, “Buildings selection”.
2.       Type a **description** — for example, “select abstract building structures”.

## Step 3 — Add as many as you need
Click **+ Add criterion** for another empty row. In the video we added a second one: **Green ratio** — “Select images with more greens like forest, pond, grass fields”.

## Step 4 — Save and cull
Click **Save**. The profile card now shows its updated criteria count and a **Customized** label. Click **Use profile**, then **Start Deep Cull** — the AI scores every frame against your rules.
**What that looked like:** a 257-photo project culled down to just 16 keepers — and every one of them a building or a greenery shot. Exactly what we asked for.

## Good to know
•         **Be specific and visual.** “Select images with more greens like forest, pond, grass fields” works better than “nature”.
•         **You can edit the built-in criteria too**, not only add to them — and reset a profile if you want the defaults back.
•         **Criteria are saved with the profile**, so a customised profile is ready to reuse on your next shoot of the same kind.
•         **Fewer, sharper rules beat many vague ones.** Each criterion should describe one visible thing in the frame.

|| Still stuck? Reach out to us right here in the [chat](https://go.crisp.chat/chat/embed/?website_id=4fefe3e3-8457-42be-a0a4-98ebd1985032) — we're happy to help.