public static Context getContextByName(JSONObject parameters, String parameterName) throws ApiException {
		return getContextByName(parameters.getString(parameterName));
	}
public static Context getContextByName ( JSONObject parameters , String parameterName ) throws ApiException { return getContextByName ( parameters . getString ( parameterName ) ) ; }
Returns the {@code Context} with the given name. The context's name is obtained from the given {@code parameters}, whose
name is the value of {@code parameterName}.
<p>
The parameter must exist, that is, it should be a mandatory parameter, otherwise a runtime exception is thrown.

@param parameters the parameters that contain the context's name
@param parameterName the name of the parameter used to obtain the context's name
@return the {@code Context} with the given name
@throws ApiException If the context with the given name does not exist
@since 2.4.3
@see #getContextByName(String)
@see JSONObject#getString(String)