Nyall Dawson 39d20a4cb4 Move algorithm expression context generation to QgsProcessingAlgorithm
Fix error when selecting "from expression" in algorithm parameter dialog
2017-06-06 11:25:09 +10:00

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{
"name": "parameter",
"type": "function",
"description": "Returns the value of a processing algorithm input parameter.",
"arguments": [
{"arg":"name", "description":"name of the corresponding input parameter"}
],
"examples": [
{ "expression":"parameter('BUFFER_SIZE')", "returns":"5.6"}
]
}