Supported field data types

Custom fields can be created based on one of the following data types.

The Availability column indicates whether the custom field’s data type is available for person records, organization records, or both.

Data type	Availability	Description
Text	Both	Any combination of letters and numbers, up to 500 characters in length, regardless of the language used.
Long text	Both	A text field type whose length is 500 characters or more, irrespective of the language used.
Email	Both	A valid email address, consisting of the format: `local-part@domain.address`
Number	Both	A whole (integer) number.
Decimal number	Both	A decimal (floating point) number.
Currency	Both	A decimal number displayed as currency. The currency symbol used to represent this field’s values in person and organization record data is based on the Default currency settings (accessible through the General settings page).
Date	Both	A specific day, month and year.
Time and date	Both	A specific time and date.
Boolean	Both	A `true` (on) or `false` (off) value.
Phone number	Both	A local or international phone number.
Single select	Both	Single select field type A single select field allows you to define a list of values from which a single item can be selected. When you choose this field type, the Values section appears in the Create field dialog, allowing you to specify each value. Add values: Click Add value (or the + icon) to add a new value field. Reorder values: Use the re-order icon to move any existing value to a new position in the list. Delete values: Use the trash icon to delete a newly added value from the list. Creating this type of custom field: You can switch between making this custom field a multi-select or single-select field type. Any values you have already specified will remain and apply to whichever field type you choose. Ensure each value is spelled correctly, as it is not possible to edit the text of any value once the custom field has been created.
Multi select	Both	Multi select field type A multi select field allows you to define a list of values from which multiple items can be selected. When you choose this field type, the Values section appears in the Create field dialog, allowing you to specify each value. Add values: Click Add value (or the + icon) to add a new value field. Reorder values: Use the re-order icon to move any existing value to a new position in the list. Delete values: Use the trash icon to delete a newly added value from the list. Creating this type of custom field: You can switch between making this custom field a multi select or single select field type. Any values you have already specified will remain and apply to whichever field type you choose. Ensure each value is spelled correctly, as it is not possible to edit the text of any value once the custom field has been created.
Autocomplete	Both	A single value created or selected from existing values.
Link	Both	The URL of a webpage or file.
Aggregate	Person	Aggregate field type An aggregate field displays a total derived from a specified activity. When selecting this field type, the following fields appear, requiring you to choose a value for each: Activity: Select the type of activity for which the number of occurrences will be aggregated. Aggregate by: Choose the type of aggregate calculation to apply. The available options depend on the activity type chosen above. Aggregate time period: Specify the period of time (from the current time) over which the number of activity occurrences will be aggregated. Learn more about working with aggregate fields.
Object	Both	A JSON object containing custom data. This field type has a maximum supported length of 15,000 bytes.