Adds rows to a map keyed on a value generated by an expression. The map is set into a pipeline attribute Rows are also passed through unchanged to the next step Example: <MultiStep> <nextSteps> <DatabaseSourceStep providerId="survey"> <next class="co.kademi.server.integration.impl.MapStep"> <keyColumn column="0"> <expr>value.profile.userId</expr> </keyColumn> <valueColumn column="0"/> <keyAttribute>r1</keyAttribute> </next> <column field="rewardNames"> <value class="string">r17744</value> </column> </DatabaseSourceStep> <DatabaseSourceStep providerId="survey"> <next class="ExcelOutputStep"> <firstSheetTitle>My first sheet</firstSheetTitle> <headers> <string>ID</string> <string>Reward</string> <string>First Name</string> <string>Last Name</string> <string>r1 Pets name</string> <string>r2 Pets name</string> </headers> <column field="id" column="0"> <expr>value.id</expr> </column> <column field="id" column="0"> <expr>value.reward.name</expr> </column> <column field="firstName" column="0"> <expr>value.profile.?firstName</expr> </column> <column field="surName" column="0"> <expr>value.profile.?surName</expr> </column> <column field="ReccomendBasedOnRego" column="0"> <expr>value.answers.?answer_petsName</expr> </column> <column field="ReccomendBasedOnRego" column="0"> <expr>pipeline.attributes.r1[value.profile.userId].answers.?answer_petsName</expr> </column> </next> <column field="rewardNames" > <value class="string">r25562</value> </column> </DatabaseSourceStep> </nextSteps> </MultiStep>

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