Formula reference
Every function and operator you can use in the logic formula editor.
The formula editor lets you write logic as text, like a spreadsheet formula. Open it from any logic rule with Edit formula. As you type, it checks the formula. Click Preview with answers to try it with test answers before you Apply formula.
if(answer("Age") >= 18, show_question("Driving licence"), end_form())
Referencing questions
Use answer("Question") with the question’s title. If two questions share a title, Finerlise adds the question’s ID: answer("Name", "fld_123").
Logic
| Function | Syntax | What it does |
|---|---|---|
| If | if(condition, then_action, else_action) |
Runs one action when the condition matches, and an optional other action when it doesn’t. |
| And | condition and condition |
True only when every condition is true. |
| Or | condition or condition |
True when at least one condition is true. |
| Not | not condition |
Flips a condition. |
Use parentheses to group conditions: (a and b) or c.
Comparisons
| Operator | Meaning |
|---|---|
== |
Equals |
!= |
Does not equal |
> / >= |
Greater than / greater than or equal (numbers and dates) |
< / <= |
Less than / less than or equal (numbers and dates) |
Checks
| Function | Syntax | What it does |
|---|---|---|
| Contains | contains(answer("Question"), "value") |
True when text or selected options include the value. |
| Empty | empty(answer("Question")) |
True when the question wasn’t answered. |
Actions
| Function | Syntax | What it does |
|---|---|---|
| Show question | show_question("Question") |
Shows a block. |
| Hide question | hide_question("Question") |
Hides a block. |
| Hide answers | hide_choices("Question", "answer") |
Hides some options of a choice question. |
| Add | add("Variable", 1) |
Adds a number, or another answer, to a calculated field. |
| Show page | show_page("Page") |
Reveals a page that’s hidden by logic. |
| Jump to page | jump_to_page("Page") |
Skips to a later page. |
| Show end page | show_end_page("End page") |
Submits and shows a specific end page. |
| End form | end_form() |
Submits and shows the default end page. |
| Redirect | redirect("https://example.com") |
Submits and sends the respondent to a URL. |
Examples
if(contains(answer("How did you hear about us?"), "Instagram"), show_question("Instagram handle"))
if(empty(answer("Company")) or answer("Team size") < 5, show_end_page("Self-serve"))