layout_template_id to POST /v1/firm-control/embed-sessions, the terminal loads that template instead of the trader’s personal saved layout.
Embed sessions cannot edit or persist layout changes — the template is read-only inside the iframe.
Permissions
Endpoints
List templates
Response shape
List responses wrap items in anitems array. Each item includes at least id, name, and template metadata. Use id as layout_template_id when minting embed sessions.

