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Lua

Add a Query Parameter to a REST Request

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Demonstrates Rest.AddQueryParam, which adds or replaces a query-string parameter. The 1st argument is the parameter name and the 2nd is its value; Chilkat URL-encodes both as needed.

Background. For a GET request the accumulated parameters are appended to the URL query string. For a form-url-encoded request the same parameters form the request body.

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Lua
local chilkat = require("chilkat")

local rest = chilkat.Rest.new()

-- Connect to the REST server.  The 3rd argument enables TLS (use true for HTTPS on port 443),
-- and the 4th enables automatic reconnection if the connection is dropped between requests.
local bTls = true
local bAutoReconnect = true
local success = rest:connect("example.com", 443, bTls, bAutoReconnect)
if not success then
    print(rest.last_error_text)
    return
end

-- Add query-string parameters.  The 1st argument is the parameter name and the 2nd is its value.
-- Chilkat automatically URL-encodes names and values as needed.
rest:add_query_param("q", "chilkat rest")
rest:add_query_param("limit", "10")

-- For a GET request the parameters are appended to the URL query string.
local responseText = rest:full_request_no_body("GET", "/api/search")
if not rest.last_method_success then
    print(rest.last_error_text)
    return
end

print(responseText)