Slot: variable_field_name

The unique variable name for this field. Must contain only lowercase letters, numbers, and underscores. Cannot start with a number. Must be unique across the entire project.

URI: [redcap_dd:variable_field_name](https://w3id.org/linkml/redcap-data-dictionary/variable_field_name) ## Applicable Classes | Name | Description | Modifies Slot | | --- | --- | --- | | [Field](Field.md) | A single variable (field) in a REDCap data dictionary | no | ## Properties ### Type and Range | Property | Value | | --- | --- | | Range | [String](String.md) | | Domain Of | [Field](Field.md) | ### Cardinality and Requirements | Property | Value | | --- | --- | | Required | Yes | ### Slot Characteristics | Property | Value | | --- | --- | | Identifier | Yes | | Owner | [Field](Field.md) | ### Value Constraints | Property | Value | | --- | --- | | Regex Pattern | `^[a-z][a-z0-9_]*$` | ## Identifier and Mapping Information ### Schema Source * from schema: https://w3id.org/linkml/redcap-data-dictionary ## Mappings | Mapping Type | Mapped Value | | --- | --- | | self | redcap_dd:variable_field_name | | native | redcap_dd:variable_field_name | ## LinkML Source

name: variable_field_name
description: The unique variable name for this field. Must contain only lowercase
  letters, numbers, and underscores. Cannot start with a number. Must be unique across
  the entire project.
from_schema: https://w3id.org/linkml/redcap-data-dictionary
rank: 1000
identifier: true
owner: Field
domain_of:
- Field
range: string
required: true
pattern: ^[a-z][a-z0-9_]*$