Using `useFormValue` to access current document properties in Sanity

defineField({
    name: "crmUpdateFieldId",
    type: "string",
    options: { /* snipped */ },
    components: {
        input: AsyncListInput,
    },
}),

const AsyncListInput = (props: any) => {
    const { schemaType, renderDefault } = props

    const dossierTypeId = /* Get dossierTypeId from the current document somehow */

    // get values from API 
    const values = /* snipped ... */

    return renderDefault({
        ...props,
        schemaType: { ...schemaType, options: { list: values } },
    })
}