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Daniel Ballinger
Daniel Ballinger
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One thing I found was that I needed to include dev orgs namespace prefix.

E.g.

Request

<met:readMetadata>
     <met:type>FlowDefinition</met:type>
     <met:fullNames>DFB__LeadTest</met:fullNames>
</met:readMetadata>

Response

<records xsi:type="FlowDefinition">
    <fullName>DFB__LeadTest</fullName>
</records>

So now I get the response back in the correct type, but no data other than the fullName that I passed in.

I double checked the FlowDefiniton.FullName via the Tooling API. I've got the names right with the namespace prefix. The Metadata API readMetadata just won't return any data. Varying the API version back several versions doesn't seem to help.

One thing I found was that I needed to include dev orgs namespace prefix.

E.g.

Request

<met:readMetadata>
     <met:type>FlowDefinition</met:type>
     <met:fullNames>DFB__LeadTest</met:fullNames>
</met:readMetadata>

Response

<records xsi:type="FlowDefinition">
    <fullName>DFB__LeadTest</fullName>
</records>

So now I get the response back in the correct type, but no data other than the fullName that I passed in.

I double checked the FlowDefiniton.FullName via the Tooling API. I've got the names right with the namespace prefix. The Metadata API readMetadata just won't return any data. Varying the API version back several versions doesn't seem to help.

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Daniel Ballinger
Daniel Ballinger
  • 103.1k
  • 40
  • 275
  • 601

Looks like there is something wrong with the Metadata API here.

I did a retrieve for the following package.xml

<?xml version="1.0" encoding="UTF-8"?>
<Package xmlns="http://soap.sforce.com/2006/04/metadata">
    <types>
        <members>*</members>
        <name>FlowDefinition</name>
    </types>
    <version>38.0</version>
</Package>

In my dev org I got a package back with that contained a flowDefinitions for 4 flows.

  • flowDefinitions\LeadTest.flowDefinition
  • flowDefinitions\New_Customer_Flow.flowDefinition
  • flowDefinitions\Test.flowDefinition
  • flowDefinitions\UpdateContactAddressFromAccount.flowDefinition

If I try and do a readMetadata using these names I get a Metadata record back for reach flow.

SalesforceSession salesforceSession = \\...
MetadataServiceWrapper metadataService = salesforceSession.GetMetadataService();
SalesforceMetadata.Metadata[] md = metadataService.readMetadata("FlowDefinition", new String[] { "LeadTest", "Test", "LeadTest", "UpdateContactAddressFromAccount"});
foreach (SalesforceMetadata.Metadata m in md)
{
     if(m != null)
     {
          FlowDefinition flow = (FlowDefinition)m;
     }
}

While this returns a Metadata for each requested fullName, there isn't any data in them. Just a null fullName field.

Stepping down a level we can try it with the raw SOAP request

Request

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:met="http://soap.sforce.com/2006/04/metadata">
   <soapenv:Header>
      <met:SessionHeader>
         <met:sessionId>00D700000000001!AQoAQFIx5ZioX_NotARealSessionId_HmH8aIn9Qpw</met:sessionId>
      </met:SessionHeader>
   </soapenv:Header>
   <soapenv:Body>
      <met:readMetadata>
         <met:type>FlowDefinition</met:type>
         <!--Zero or more repetitions:-->
         <met:fullNames>LeadTest</met:fullNames>
         <met:fullNames>Test.flowDefinition</met:fullNames>
      </met:readMetadata>
   </soapenv:Body>
</soapenv:Envelope>

Response

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns="http://soap.sforce.com/2006/04/metadata" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <soapenv:Body>
      <readMetadataResponse>
         <result>
            <records xsi:nil="true"/>
            <records xsi:nil="true"/>
         </result>
      </readMetadataResponse>
   </soapenv:Body>
</soapenv:Envelope>

Well, that isn't going to work. You get a nill <records xsi:nil="true"/> back for every full name you ask for. It doesn't actually matter if the fullName you provide corresponds to a valid flow or not.