diff --git a/.github/workflows/gradle-build.yml b/.github/workflows/gradle-build.yml
index 350b2fa..e30810a 100644
--- a/.github/workflows/gradle-build.yml
+++ b/.github/workflows/gradle-build.yml
@@ -5,6 +5,7 @@ on:
     branches: [ master ]
   pull_request:
     branches: [ master ]
+  workflow_dispatch:
 
 jobs:
   build:
@@ -15,9 +16,9 @@ jobs:
       packages: write
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up JDK 11
-      uses: actions/setup-java@v2
+      uses: actions/setup-java@v3
       with:
         java-version: '11'
         distribution: 'adopt'
diff --git a/.github/workflows/runWithFairCli.yml b/.github/workflows/runWithFairCli.yml
index 47db3d4..cfa7298 100644
--- a/.github/workflows/runWithFairCli.yml
+++ b/.github/workflows/runWithFairCli.yml
@@ -5,6 +5,7 @@ on:
     branches: [ master ]
   pull_request:
     branches: [ master ]
+  workflow_dispatch:
 
 jobs:
   build:
@@ -15,9 +16,9 @@ jobs:
       packages: write
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up JDK 11
-      uses: actions/setup-java@v2
+      uses: actions/setup-java@v3
       with:
         java-version: '11'
         distribution: 'adopt'
@@ -29,14 +30,14 @@ jobs:
     - name: Install local registry
       run: |
         /bin/bash -c "$(curl -fsSL https://data.scrc.uk/static/localregistry.sh)"
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v3
       with:
         python-version: '3.x'
     - name: install fair-cli from pip
       run: pip install fair-cli
     - name: run javaSimpleModel with fair cli
       run: |
-        fair init --ci
-        fair pull src/main/resources/seirs-config.yaml
-        fair run  src/main/resources/seirs-config.yaml
+        fair init --ci --local
+        fair pull --local src/main/resources/seirs-config.yaml
+        fair run --local src/main/resources/seirs-config.yaml
         
diff --git a/README.md b/README.md
index e71ae72..394b286 100644
--- a/README.md
+++ b/README.md
@@ -30,13 +30,7 @@ At this point you can configure `fair` to run in this repo. Either run:
 fair init
 ```
 
-And fill in your own details, or simply run:
-
-```sh
-fair init --ci
-```
-
-In this case the CLI will initialise the repo with dummy values that are used for continuous integration testing.
+And fill in your own details.
 
 Finally you can run the example!
 
diff --git a/build.gradle b/build.gradle
index 0cef5e1..6e4e47a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,12 +1,13 @@
 plugins {
     id 'application'
+    id "com.diffplug.spotless" version "6.4.2"
 }
 
 group 'org.example'
 version '1.0-SNAPSHOT'
 
 application {
-    mainClass = 'main'
+    mainClass = 'org.fairdatapipeline.javasimplemodel.JavaSimpleModel'
 }
 
 repositories {
@@ -14,8 +15,13 @@ repositories {
 }
 
 dependencies {
-    implementation 'org.fairdatapipeline:api:1.0.0-beta'
-    implementation 'com.opencsv:opencsv:5.5.2'
-    implementation('org.slf4j:slf4j-simple:1.7.25')
+    implementation 'org.fairdatapipeline:api:1.0.0-rc3'
+    implementation 'com.opencsv:opencsv:5.7.1'
+    implementation('org.slf4j:slf4j-simple:1.7.36')
 }
 
+spotless {
+    java {
+        googleJavaFormat()
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/PrepareParams.java b/src/main/java/PrepareParams.java
deleted file mode 100644
index 6b6ea79..0000000
--- a/src/main/java/PrepareParams.java
+++ /dev/null
@@ -1,24 +0,0 @@
-import org.fairdatapipeline.api.*;
-
-import java.nio.file.Path;
-
-
-public class PrepareParams {
-    public void PrepareParams() {}
-
-    public void run(Path configPath, Path scriptPath, String regtoken) {
-        try (Coderun cr = new Coderun(configPath, scriptPath, regtoken)){
-            Data_product_write dp = cr.get_dp_for_write("SEIRS_model/preparedParams");
-            dp.getComponent("S").writeEstimate(0.999);
-            dp.getComponent("E").writeEstimate(0.001);
-            dp.getComponent("I").writeEstimate(0.0);
-            dp.getComponent("R").writeEstimate(0.0);
-            dp.getComponent("inv_gamma").writeEstimate(14.0);
-            dp.getComponent("inv_sigma").writeEstimate(7.0);
-            dp.getComponent("inv_omega").writeEstimate(1.0);
-            dp.getComponent("inv_mu").writeEstimate(76.0);
-            dp.getComponent("beta").writeEstimate(0.21);
-            dp.getComponent("alpha").writeEstimate(0.0);
-        }
-    }
-}
diff --git a/src/main/java/SEIRS.java b/src/main/java/SEIRS.java
deleted file mode 100644
index a76f74f..0000000
--- a/src/main/java/SEIRS.java
+++ /dev/null
@@ -1,174 +0,0 @@
-import com.opencsv.exceptions.CsvValidationException;
-import org.fairdatapipeline.api.*;
-import org.fairdatapipeline.file.CleanableFileChannel;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileReader;
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Path;
-import java.util.HashMap;
-import java.util.Map;
-import com.opencsv.CSVReader;
-
-/******************************************************************************
- *  SEIRS ODE model in Java
- *  Author: Sibylle Mohr
- *  Compilation:  javac SEIRS.java
- *  Execution:    java SEIRS
- *  SEIRS model with Euler integration
- ******************************************************************************/
-
-class SEIRS {
-
-
-    public void SEIRS(){
-
-    }
-
-
-    public void runFromExternal(Path configPath, Path scriptPath, String regToken) {
-        try(Coderun cr =  new Coderun(configPath, scriptPath, regToken)) {
-            Map<String, Double> params = new HashMap<>();
-            Data_product_read dp = cr.get_dp_for_read("SEIRS_model/parameters");
-            try {
-                Path filepath = dp.getComponent().readLink();
-                FileReader fr = new FileReader(filepath.toString());
-                CSVReader r = new CSVReader(fr);
-                String[] line;
-                int i = 0;
-                r.readNext(); // ignore header
-                while ((line = r.readNext()) != null) {
-                    params.put(line[0], Double.parseDouble(line[1]));
-                    i += 1;
-                }
-            }catch(FileNotFoundException e){
-                System.out.println("FileNotFoundException: can't find the file: " + e);
-                e.printStackTrace();
-                System.exit(1);
-            }catch(IOException e) {
-                System.out.println("error reading parameter CSV: " + e);
-                System.exit(1);
-            }catch(CsvValidationException e){
-                System.out.println("bad CSV: " + e);
-                System.exit(1);
-            }catch(Exception e) {
-                System.out.print("Exception reading parameters: " + e);
-                System.exit(1);
-            }
-
-            // set initial state:
-            params.put("S", 0.999);
-            params.put("E", 0.001);
-            params.put("I", 0.0);
-            params.put("R", 0.0);
-            Data_product_write dpw = cr.get_dp_for_write("SEIRS_model/results/model_output");
-            try {
-                CleanableFileChannel f = dpw.getComponent().writeFileChannel();
-                do_SEIRS(params, f);
-            }catch(IOException e) {
-                System.err.println("failed to write output to file: " + e);
-            }
-
-        }
-    }
-
-
-    public void runFromPrepared(Path configPath, Path scriptPath, String regToken) {
-        try(Coderun cr =  new Coderun(configPath, scriptPath, regToken)) {
-            Map<String, Double> params = new HashMap<>();
-            Data_product_read dp = cr.get_dp_for_read("SEIRS_model/preparedParams");
-            params.put("S", (Double) dp.getComponent("S").readEstimate());
-            params.put("E", (Double) dp.getComponent("E").readEstimate());
-            params.put("I", (Double) dp.getComponent("I").readEstimate());
-            params.put("R", (Double) dp.getComponent("R").readEstimate());
-            params.put("inv_gamma", (Double) dp.getComponent("inv_gamma").readEstimate());
-            params.put("inv_sigma", (Double) dp.getComponent("inv_sigma").readEstimate());
-            params.put("inv_omega", (Double) dp.getComponent("inv_omega").readEstimate());
-            params.put("inv_mu", (Double) dp.getComponent("inv_mu").readEstimate());
-            params.put("beta", (Double) dp.getComponent("beta").readEstimate());
-            params.put("alpha", (Double) dp.getComponent("alpha").readEstimate());
-
-            Data_product_write dpw = cr.get_dp_for_write("SEIRS_model/results/fromPreparedParams");
-            try {
-                CleanableFileChannel f = dpw.getComponent().writeFileChannel();
-                do_SEIRS(params, f);
-            }catch(IOException e) {
-                System.err.println("failed to write output to file: " + e);
-            }
-
-        }
-    }
-
-    void do_SEIRS(Map<String, Double> params, CleanableFileChannel f) throws IOException {
-        
-        double N = 1.0;
-        int total_time = 5 * 365; // 5 years
-        
-        int step_per_day_int = 2;
-        
-        double step_per_day = step_per_day_int;
-        
-        double dt = 1 / step_per_day;
-        
-        
-        int time_steps = total_time * step_per_day_int;
-        
-        double[] S = new double[time_steps+1];
-        double[] E = new double[time_steps+1];
-        double[] I = new double[time_steps+1];
-        double[] R = new double[time_steps+1];
-        
-        double[] time = new double[time_steps+1];
-        
-
-        S[0] = params.get("S");
-        E[0] = params.get("E");
-        I[0] = params.get("I");
-        R[0] = params.get("R");
-        
-        time[0] = 0;
-        
-        double inv_gamma = params.get("inv_gamma");
-        double inv_sigma = params.get("inv_sigma");
-        double inv_omega = params.get("inv_omega");
-        double inv_mu = params.get("inv_mu");
-        double beta = params.get("beta");
-        double alpha= params.get("alpha");
-
-    
-        double gamma_d = 1 / inv_gamma;
-        double omega_d = 1 / (inv_omega * 365);
-        double mu_d = 1 / (inv_mu * 365);
-        double sigma_d = 1 / inv_sigma; 
-        
-        String line;
-
-        line = "time,S,E,I,R\n";
-        f.write(ByteBuffer.wrap(line.getBytes(StandardCharsets.UTF_8)));
-        line = (0) + "," + S[0] + "," + E[0] + "," + I[0] + "," + R[0] + "\n";
-        f.write(ByteBuffer.wrap(line.getBytes(StandardCharsets.UTF_8)));
-
-        for (int i = 0; i < time_steps; i++) {
-            N = S[i] + E[i] + I[i] + R[i];
-            double dSdt  = mu_d*N - (beta*S[i]*I[i])/N + omega_d*R[i]  - mu_d*S[i]; 
-            double dEdt  = -sigma_d*E[i]  + (beta*S[i]*I[i])/N - mu_d*E[i];
-            double dIdt  = -gamma_d*I[i]  + sigma_d*E[i]  - (mu_d+alpha)*I[i];
-            double dRdt  = -omega_d*R[i]  + gamma_d*I[i]  - mu_d*R[i];
-           
-            /* integrate using Euler */
-            time[i+1] = time[i] + dt;
-        
-            S[i+1] = S[i] + dSdt * dt;
-            E[i+1] = E[i] + dEdt * dt;
-            I[i+1] = I[i] + dIdt * dt;
-            R[i+1] = R[i] + dRdt * dt;
-           
-           line = (time[i+1] / 365) + "," + S[i+1] + "," + E[i+1] + "," + I[i+1] + "," + R[i+1] + "\n";
-           f.write(ByteBuffer.wrap(line.getBytes(StandardCharsets.UTF_8)));
-        }
-       
-    }
-}
diff --git a/src/main/java/main.java b/src/main/java/main.java
deleted file mode 100644
index a7252ae..0000000
--- a/src/main/java/main.java
+++ /dev/null
@@ -1,40 +0,0 @@
-import java.io.File;
-import java.nio.file.Path;
-
-public class main {
-    public static void main(String[] args) {
-        //System.setProperty(org.slf4j.impl.SimpleLogger.DEFAULT_LOG_LEVEL_KEY, "TRACE");
-        if(System.getenv("FDP_LOCAL_TOKEN") == null) {
-            System.err.println("The fair CLI needs to set the environment variable FDP_LOCAL_TOKEN to the authorization token for the local registry");
-            System.exit(2);
-        }
-        String confDir = "";
-        if(args.length == 1) {
-            confDir = args[0];
-        }else if(args.length == 2) {
-            confDir = args[1];
-        }else{
-            System.err.println("Usage: gradle run --args=\"[{--seirsFromPrepared,--prepare}] configDir\"");
-            System.exit(1);
-        }
-        if(!new File(confDir).isDirectory()) {
-            System.err.println("Config dir " + confDir + " doesn't seem to exist.");
-            System.exit(1);
-        }
-        Path configFile = Path.of(confDir).resolve("config.yaml");
-        Path scriptFile = Path.of(confDir).resolve("script.sh");
-        if(args.length == 1) {
-            SEIRS s = new SEIRS();
-            s.runFromExternal(configFile, scriptFile, System.getenv("FDP_LOCAL_TOKEN"));
-        }else if(args[0].equals("--prepare")) {
-            PrepareParams pp = new PrepareParams();
-            pp.run(configFile, scriptFile, System.getenv("FDP_LOCAL_TOKEN"));
-        }else if(args[0].equals("--seirsFromPrepared")) {
-            SEIRS s = new SEIRS();
-            s.runFromPrepared(configFile, scriptFile, System.getenv("FDP_LOCAL_TOKEN"));
-        }else {
-            System.err.println("Usage: gradle run --args=\"[{--seirsFromPrepared,--prepare}] configDir\"");
-            System.exit(1);
-        }
-    }
-}
diff --git a/src/main/java/org/fairdatapipeline/javasimplemodel/JavaSimpleModel.java b/src/main/java/org/fairdatapipeline/javasimplemodel/JavaSimpleModel.java
new file mode 100644
index 0000000..16b7e71
--- /dev/null
+++ b/src/main/java/org/fairdatapipeline/javasimplemodel/JavaSimpleModel.java
@@ -0,0 +1,46 @@
+package org.fairdatapipeline.javasimplemodel;
+
+import java.io.File;
+import java.nio.file.Path;
+
+public class JavaSimpleModel {
+  private static final String ENV_VAR_NAME = "FDP_LOCAL_TOKEN";
+
+  public static void main(String[] args) {
+    if (System.getenv(ENV_VAR_NAME) == null) {
+      System.err.println(
+          "The fair CLI needs to set the environment variable FDP_LOCAL_TOKEN to the authorization token for the local registry");
+      System.exit(2);
+    }
+    String confDir = "";
+    if (args.length == 1) {
+      confDir = args[0];
+    } else if (args.length == 2) {
+      confDir = args[1];
+    } else {
+      System.err.println(
+          "Usage: gradle run --args=\"[{--seirsFromPrepared,--prepare}] configDir\"");
+      System.exit(1);
+    }
+    if (!new File(confDir).isDirectory()) {
+      System.err.println("Config dir " + confDir + " doesn't seem to exist.");
+      System.exit(1);
+    }
+    Path configFile = Path.of(confDir).resolve("config.yaml");
+    Path scriptFile = Path.of(confDir).resolve("script.sh");
+    if (args.length == 1) {
+      SEIRS s = new SEIRS();
+      s.runFromExternal(configFile, scriptFile, System.getenv(ENV_VAR_NAME));
+    } else if (args[0].equals("--prepare")) {
+      PrepareParams pp = new PrepareParams();
+      pp.run(configFile, scriptFile, System.getenv(ENV_VAR_NAME));
+    } else if (args[0].equals("--seirsFromPrepared")) {
+      SEIRS s = new SEIRS();
+      s.runFromPrepared(configFile, scriptFile, System.getenv(ENV_VAR_NAME));
+    } else {
+      System.err.println(
+          "Usage: gradle run --args=\"[{--seirsFromPrepared,--prepare}] configDir\"");
+      System.exit(1);
+    }
+  }
+}
diff --git a/src/main/java/org/fairdatapipeline/javasimplemodel/PrepareParams.java b/src/main/java/org/fairdatapipeline/javasimplemodel/PrepareParams.java
new file mode 100644
index 0000000..deabd58
--- /dev/null
+++ b/src/main/java/org/fairdatapipeline/javasimplemodel/PrepareParams.java
@@ -0,0 +1,22 @@
+package org.fairdatapipeline.javasimplemodel;
+
+import java.nio.file.Path;
+import org.fairdatapipeline.api.*;
+
+public class PrepareParams {
+  public void run(Path configPath, Path scriptPath, String regtoken) {
+    try (Coderun cr = new Coderun(configPath, scriptPath, regtoken)) {
+      Data_product_write dp = cr.get_dp_for_write("SEIRS_model/preparedParams");
+      dp.getComponent("S").writeEstimate(0.999);
+      dp.getComponent("E").writeEstimate(0.001);
+      dp.getComponent("I").writeEstimate(0.0);
+      dp.getComponent("R").writeEstimate(0.0);
+      dp.getComponent("inv_gamma").writeEstimate(14.0);
+      dp.getComponent("inv_sigma").writeEstimate(7.0);
+      dp.getComponent("inv_omega").writeEstimate(1.0);
+      dp.getComponent("inv_mu").writeEstimate(76.0);
+      dp.getComponent("beta").writeEstimate(0.21);
+      dp.getComponent("alpha").writeEstimate(0.0);
+    }
+  }
+}
diff --git a/src/main/java/org/fairdatapipeline/javasimplemodel/SEIRS.java b/src/main/java/org/fairdatapipeline/javasimplemodel/SEIRS.java
new file mode 100644
index 0000000..fa37c66
--- /dev/null
+++ b/src/main/java/org/fairdatapipeline/javasimplemodel/SEIRS.java
@@ -0,0 +1,175 @@
+package org.fairdatapipeline.javasimplemodel;
+
+import com.opencsv.CSVReader;
+import com.opencsv.exceptions.CsvValidationException;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.Map;
+import org.fairdatapipeline.api.*;
+import org.fairdatapipeline.file.CleanableFileChannel;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * **************************************************************************** SEIRS ODE model in
+ * Java Author: Sibylle Mohr Compilation: javac SEIRS.java Execution: java SEIRS SEIRS model with
+ * Euler integration ****************************************************************************
+ */
+class SEIRS {
+  private static final Logger logger = LoggerFactory.getLogger(SEIRS.class);
+  private static final String INV_G = "inv_gamma";
+  private static final String INV_S = "inv_sigma";
+  private static final String INV_O = "inv_omega";
+  private static final String INV_M = "inv_mu";
+  private static final String ALPHA = "alpha";
+  private static final String BETA = "beta";
+
+  public void runFromExternal(Path configPath, Path scriptPath, String regToken) {
+    try (Coderun cr = new Coderun(configPath, scriptPath, regToken)) {
+      Map<String, Double> params = new HashMap<>();
+      Data_product_read dp = cr.get_dp_for_read("SEIRS_model/parameters");
+      try {
+        Path filepath = dp.getComponent().readLink();
+        FileReader fr = new FileReader(filepath.toString());
+        try (CSVReader r = new CSVReader(fr)) {
+          String[] line;
+          r.readNext(); // ignore header
+          while ((line = r.readNext()) != null) {
+            params.put(line[0], Double.parseDouble(line[1]));
+          }
+        }
+      } catch (FileNotFoundException e) {
+        logger.error("FileNotFoundException: can't find the file.", e);
+        System.exit(1);
+      } catch (IOException e) {
+        logger.error("error reading parameter CSV.", e);
+        System.exit(1);
+      } catch (CsvValidationException e) {
+        logger.error("bad CSV.", e);
+        System.exit(1);
+      } catch (Exception e) {
+        logger.error("Exception reading parameters: ", e);
+        System.exit(1);
+      }
+
+      // set initial state:
+      params.put("S", 0.999);
+      params.put("E", 0.001);
+      params.put("I", 0.0);
+      params.put("R", 0.0);
+      Data_product_write dpw = cr.get_dp_for_write("SEIRS_model/results/model_output");
+      try {
+        CleanableFileChannel f = dpw.getComponent().writeFileChannel();
+        do_SEIRS(params, f);
+      } catch (IOException e) {
+        logger.error("failed to write output to file: ", e);
+      }
+    }
+  }
+
+  public void runFromPrepared(Path configPath, Path scriptPath, String regToken) {
+    try (Coderun cr = new Coderun(configPath, scriptPath, regToken)) {
+      Map<String, Double> params = new HashMap<>();
+      Data_product_read dp = cr.get_dp_for_read("SEIRS_model/preparedParams");
+      params.put("S", (Double) dp.getComponent("S").readEstimate());
+      params.put("E", (Double) dp.getComponent("E").readEstimate());
+      params.put("I", (Double) dp.getComponent("I").readEstimate());
+      params.put("R", (Double) dp.getComponent("R").readEstimate());
+      params.put(INV_G, (Double) dp.getComponent(INV_G).readEstimate());
+      params.put(INV_S, (Double) dp.getComponent(INV_S).readEstimate());
+      params.put(INV_O, (Double) dp.getComponent(INV_O).readEstimate());
+      params.put(INV_M, (Double) dp.getComponent(INV_M).readEstimate());
+      params.put(BETA, (Double) dp.getComponent(BETA).readEstimate());
+      params.put(ALPHA, (Double) dp.getComponent(ALPHA).readEstimate());
+
+      Data_product_write dpw = cr.get_dp_for_write("SEIRS_model/results/fromPreparedParams");
+      try {
+        CleanableFileChannel f = dpw.getComponent().writeFileChannel();
+        do_SEIRS(params, f);
+      } catch (IOException e) {
+        logger.error("failed to write output to file.", e);
+      }
+    }
+  }
+
+  void do_SEIRS(Map<String, Double> params, CleanableFileChannel f) throws IOException {
+
+    double N;
+    int total_time = 5 * 365; // 5 years
+
+    int step_per_day_int = 2;
+
+    double step_per_day = step_per_day_int;
+
+    double dt = 1 / step_per_day;
+
+    int time_steps = total_time * step_per_day_int;
+
+    double[] S = new double[time_steps + 1];
+    double[] E = new double[time_steps + 1];
+    double[] I = new double[time_steps + 1];
+    double[] R = new double[time_steps + 1];
+
+    double[] time = new double[time_steps + 1];
+
+    S[0] = params.get("S");
+    E[0] = params.get("E");
+    I[0] = params.get("I");
+    R[0] = params.get("R");
+
+    time[0] = 0;
+
+    double inv_gamma = params.get(INV_G);
+    double inv_sigma = params.get(INV_S);
+    double inv_omega = params.get(INV_O);
+    double inv_mu = params.get(INV_M);
+    double beta = params.get(BETA);
+    double alpha = params.get(ALPHA);
+
+    double gamma_d = 1 / inv_gamma;
+    double omega_d = 1 / (inv_omega * 365);
+    double mu_d = 1 / (inv_mu * 365);
+    double sigma_d = 1 / inv_sigma;
+
+    String line;
+
+    line = "time,S,E,I,R\n";
+    f.write(ByteBuffer.wrap(line.getBytes(StandardCharsets.UTF_8)));
+    line = (0) + "," + S[0] + "," + E[0] + "," + I[0] + "," + R[0] + "\n";
+    f.write(ByteBuffer.wrap(line.getBytes(StandardCharsets.UTF_8)));
+
+    for (int i = 0; i < time_steps; i++) {
+      N = S[i] + E[i] + I[i] + R[i];
+      double dSdt = mu_d * N - (beta * S[i] * I[i]) / N + omega_d * R[i] - mu_d * S[i];
+      double dEdt = -sigma_d * E[i] + (beta * S[i] * I[i]) / N - mu_d * E[i];
+      double dIdt = -gamma_d * I[i] + sigma_d * E[i] - (mu_d + alpha) * I[i];
+      double dRdt = -omega_d * R[i] + gamma_d * I[i] - mu_d * R[i];
+
+      /* integrate using Euler */
+      time[i + 1] = time[i] + dt;
+
+      S[i + 1] = S[i] + dSdt * dt;
+      E[i + 1] = E[i] + dEdt * dt;
+      I[i + 1] = I[i] + dIdt * dt;
+      R[i + 1] = R[i] + dRdt * dt;
+
+      line =
+          (time[i + 1] / 365)
+              + ","
+              + S[i + 1]
+              + ","
+              + E[i + 1]
+              + ","
+              + I[i + 1]
+              + ","
+              + R[i + 1]
+              + "\n";
+      f.write(ByteBuffer.wrap(line.getBytes(StandardCharsets.UTF_8)));
+    }
+  }
+}
diff --git a/src/main/resources/fromprep.yaml b/src/main/resources/fromprep.yaml
index be97265..27bf1d5 100644
--- a/src/main/resources/fromprep.yaml
+++ b/src/main/resources/fromprep.yaml
@@ -12,5 +12,6 @@ read:
 
 write:
   - data_product: SEIRS_model/results/fromPreparedParams
+    file_type: csv
     use:
       version: 0.0.1
diff --git a/src/main/resources/seirs-config.yaml b/src/main/resources/seirs-config.yaml
index f898970..4d61c0e 100644
--- a/src/main/resources/seirs-config.yaml
+++ b/src/main/resources/seirs-config.yaml
@@ -1,5 +1,5 @@
 run_metadata:
-  default_input_namespace: bram
+  default_input_namespace: testing
   description: SEIRS Model java
   script: |
     gradle run --args "${{CONFIG_DIR}}"
@@ -10,7 +10,7 @@ register:
   website: https://ror.org/04p491231
 
 - external_object: SEIRS_model/parameters
-  namespace: PSU
+  namespace_name: PSU
   root: https://raw.githubusercontent.com/
   path: FAIRDataPipeline/rSimpleModel/main/inst/extdata/static_params_SEIRS.csv
   title: Static parameters of the model