QGIS/resources/function_help/json/eval_template

{
  "name": "eval_template",
  "type": "function",
  "groups": ["General"],
  "description": "Evaluates a template which is passed in a string. Useful to expand dynamic parameters passed as context variables or fields.",
  "arguments": [{
    "arg": "template",
    "description": "a template string"
  }],
  "examples": [{
    "expression": "eval_template('QGIS [% upper(\\\\'rocks\\\\') %]')",
    "returns": "QGIS ROCKS"
  }],
  "tags": ["dynamic", "fields", "parameters", "template", "expand", "context", "passed", "variables", "evaluates"]
}