{ "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" }] }