Creates a proposal for a design based on a proposal template provided.

[block:callout] { "type": "warning", "body": "If you are creating a proposal for a Partner-owned project, please ensure the proposal template used is assigned to that Partner." } [/block] [block:callout] { "type": "warning", "body": "Please ensure the proposal template you're using to create a proposal has been enabled." } [/block]

If a proposal template id is not provided, the proposal will be created from the default proposal template specified by the Administrator or Partner.