Skip to main content Enter
Proto Workflows Headless SaaS
Enterprise
Enterprise Identity, access, deployment, and support controls for contracted environments. Version control Branches, releases, snapshots, and history in the per-app Command Centre.
Enterprise Talk to sales. Deployment, support, security, procurement and commercial terms. Contact sales
Pricing
Search apps — ⌘K / Ctrl K Sign Up
Proto Workflows Headless SaaS
Enterprise
Enterprise home Version control Contact sales
Pricing
Sign Up
  1. Home
  2. Help
  3. ERP•AI guide
  4. Basic field types

Basic field types

This article covers the field types you fill in directly: Text, Long Text, Number, Date, Select, Multi Select, Checkbox, Email, URL, Phone, File / Attachment, User, and Duration. All of them also have the common settings.

ERP•AI guide 2 min read Article 3 of 10 in Fields (columns)

On this page

  1. Text
  2. Long Text
  3. Number
  4. Date
  5. Select
  6. Multi Select
  7. Checkbox
  8. Email
  9. URL
  10. Phone
  11. File / Attachment
  12. User
  13. Duration

Fields (columns)

  1. Field types overview
  2. Settings every field shares
  3. Basic field types
  4. Reference fields (linking tables)
  5. Formula fields
  6. Formula function reference
  7. Rollup fields
  8. Auto Fill fields
  9. AI Column
  10. Field rules: default value, display, and validation

Text

A single line of text, such as a name, code, or reference number.

  • Turn on Unique Records for values that must not repeat (SKU, employee code).

Long Text

Several lines of text, such as notes, descriptions, or terms and conditions.

Number

Quantities, prices, percentages, and scores.

OptionChoices
Is CurrencyShows the value as money, using the app’s base currency
FormattingInteger or Decimal
Precision(Decimal only)None, 1 (1.0), 2 (1.00), 3 (1.000), 4 (1.0000)
SeparatorLocal (1,234.56), Comma-period (1,234.56), Period-comma (1.234,56), Space-comma (1 234,56), Space-period (1 234.56)
Show Thousands SeparatorOn or off
AbbreviationNone, Thousand (K), Million (M), Billion (B)
Allow NegativeWhether values below zero are allowed
Number field options, with Is Currency turned on
Number field options, with Is Currency turned on

Date

  • Display Time: turn it on to store and show a time as well as the date.
  • The date format comes from App Settings → General → Date format, and times use the app’s Time zone.

Select

One value from a list of options. Each option has a color.

  • The field starts with Option 1 and Option 2. Click an option to rename it, or click × to remove it.
  • Type in Add an option… and press Enter or click Add. Separate several options with commas to add them all at once (Lead, Active, Churned).
  • Drag the handle (⋮⋮) to reorder options.

Multi Select

Like Select, but a record can have several values (tags, skills).

Checkbox

A yes/no value (Approved, Paid, Active).

Email

Stores and checks an email address. Workflows can use it to send emails.

URL

Stores a web link that users can click to open.

Phone

Stores a phone number.

File / Attachment

Upload files (PDFs, images, documents) to a record.

  • Files are kept in ERP•AI storage by default. Admins can connect their own Amazon S3 bucket under App Settings → Data & Storage.
  • 100 MB of managed file storage is included; storage beyond that is billed. See Pricing.

User

Assigns app users to a record (Owner, Account Manager, Assignee).

OptionWhat it does
Allow Multiple UsersLets you pick more than one user
Data Filter → + Add ruleLimits which users can be picked (for example only the Sales department)
SortThe order users appear in the picker (Auto by default)

Duration

A length of time (hours, minutes), for example time spent or time to resolve. Formula fields can also output a Duration.

PreviousSettings every field shares Next Reference fields (linking tables)

Related articles

Reference fields (linking tables) A Reference field links a record to one or more records in another table.Field rules: default value, display, and validation Every field has three optional rules under Configure → Advanced. Rules are written with the same expression language as Formula fields.

Get help from the team.

In ERP•AI, open the organization or app menu and choose Report an issue. For deployment, billing or contract questions, write to the team.

Contact the team Open ERP•AI
ERP.AI

Business apps and Proto, a personal agent for your business.

Products

  • Business Apps
  • Proto
  • Workflows
  • Headless SaaS
  • Platform

Company

  • Company
  • Enterprise
  • Pricing
  • Contact
  • Partners

Resources

  • Resources
  • Documentation
  • Help Center
  • Security
  • Legal
  • Photo credits
© 2026 ERP•AI. All rights reserved. · Built with Proto
System status

Your Privacy, Your Choice

We use essential cookies to run the site and optional cookies for features, analytics, and relevant content. See Cookie policy

Manage Your Cookie Preferences

We use cookies to enhance your experience, analyze site traffic, and serve relevant content. By clicking "Accept All," you agree to our use of cookies. You can customize your preferences at any time.

Your browser's Global Privacy Control signal is honored: advertising cookies are off.

Learn more about how we use cookies

These cookies are required for the website to function properly. They ensure security, enable basic features like page navigation, and store user session data. You cannot disable these cookies.

These cookies enable additional features that enhance your experience, such as live chat, video playback, personalized content recommendations, and remembering user preferences.

These cookies help us understand how visitors interact with our site by collecting anonymous usage data. This allows us to measure performance, detect issues, and continuously improve the user experience.

These cookies allow us and advertising partners, including X, to deliver ads tailored to your interests. They track browsing habits across sites to provide relevant advertising and measure ad effectiveness.

Meet Proto.Free to use.

A personal agent for your business.

Brief Proto. It works across your files and tools, then brings the results back.

89.5% of attempts accepted on BusinessBench.

Download Proto

Also for macOS Windows Linux

Your own model provider may charge for usage.