Assign Message policy examples

assign_message.xml

<AssignMessage name="create1">
<AssignTo type="[request]/response" createNew="[true]/false">sc.request</AssignTo>
<IgnoreUnresolvedVariables>true/[false]</IgnoreUnresolvedVariables>

// allow any order
<Copy source="request"> // if no children do copy all
    <Headers>
        <Header name="h1"/>
        <Header name="h2"/>
    </Headers>
    <QueryParams>
        <QueryParam name="q1"/>
        <QueryParam name="q2"/>
    </QueryParams>
    <FormParams>
        <FormParam name="f1"/>
        <FormParam name="f2"/>
    </FormParams>
    <Payload>true/[false]</Payload>
    <Verb>true/[false]</Verb>
    <Path>true/[false]</Path>
</Copy>

<Remove> // if no children do remove all
    <Headers>
        <Header name="h1"/>
        <Header name="h2"/>
    </Headers>
    <QueryParams>
        <QueryParam name="q1"/>
        <QueryParam name="q2"/>
    </QueryParams>
    <FormParams>
        <FormParam name="f1"/>
        <FormParam name="f2"/>
    </FormParams>
    <Payload>true</Payload>
</Remove>

<Add>
    <Headers>
        <Header name="h1">my{variable.v1}</Header>
    </Headers>
    <QueryParams>
        <QueryParam name="q1">my{variable.v1}</QueryParam>
    </QueryParams>
    <FormParams>
        <FormParam name="f1">my{variable.v1}</FormParam>
    </FormParams>
</Add>

<Set>
    <Headers>
        <Header name="h1">my{variable.v1}</Header>
    </Headers>
    <QueryParams>
        <QueryParam name="q1">my{variable.v1}</QueryParam>
    </QueryParams>
    <FormParams>
        <FormParam name="f1">my{variable.v1}</FormParam>
    </FormParams>

    <Payload contentType="text/xml">
        <root>this is my payload {variable.v1}</root>
    </Payload>

    <Verb>${variable.v1}</Verb>
    <Path>abc/def/{varaiable.v1}/d</Path>
</Set>

<AssignVariable>
    <Name>response.header.xyz</Name>
    <Ref>request.queryparam.abc</Ref>
    <Value>hello!</Value>
</AssignVariable>
</AssignMessage>