FieldGroup entity

fieldGroupPositionId
Type: integer
required

Positional slot ID that determines where the group appears within the entity layout.
module
Type: string
required

Module name identifying the type of entity this field group is attached to (e.g. 'contact', 'custom-module-item').
entityId
Type: integer

Related entity id
position
Type: string

Field group position in this entity. Common values: tab, form, form-top, top-todolist, case-top, case-bottom, contract-top, contract-bottom; a value outside these falls back to the module default position (e.g. 'bottom', or 'tab' for stock items). Not an enum — any string may be returned.
spaceId
Type: integer

ID of the space this field group attachment is scoped to.