Access bound Figma variable names in Template API

[EdStepashkin]

Problem

The Template API provides getString(), getBoolean(), getEnum(), getInstanceSwap() — but has no way to read bound Figma variables on visual properties (fills, strokes, text color).

When a component's fill color is set via a Figma variable (e.g. errorColor), the template cannot access that variable name to generate the correct code token.

Use Case

We have a Flutter Badge component where background color is controlled by bound Figma variables. The variable can be any color from our full design system palette — primaryColor, errorColor, successColor, warningColor, and many others. In code, these map directly to theme accessors:

PbBadge(
  value: 'Text',
  color: context.theme.primaryColor,
)

PbBadge(
  value: 'Error',
  color: context.theme.errorColor,
)

Currently the template cannot output color: at all — developers must manually look up the correct token.

Proposed API

instance.getBoundVariable('fills')    // → "primaryColor"
instance.getBoundVariable('strokes')  // → "borderColor"

Template usage (Flutter example):

const fillVar = instance.getBoundVariable('fills');
const colorPart = fillVar ? `\n  color: context.theme.${fillVar},` : "";

export default {
  example: figma.code`PbBadge(
  value: "${value}",${colorPart}
)`,
};

This would generate:

PbBadge(
  value: 'TextValue',
  color: context.theme.primaryColor,
)